Example Boolean boolean 001

 

 

Description

The boolean function converts an Integer, Text or Character argument into a Boolean object.

 

Details

A zero state is converted to the Boolean value, false

(boolean 0) Returns: false
(boolean "false" ) Returns: false

Any other state is converted to true.

(boolean 5) Returns: true
(boolean "true") Returns: true
(boolean #\c) Returns: true

 

Related Examples

Here are examples of the boolean function at work.

Boolean boolean 001

 

Function Links

Here is the link to the current function used in this example.

boolean

Here are a number of links to other related functions.

isBoolean(Boolean) isType(Boolean)

 

Argument Types

Here are the links to the data types of the arguments used in this example.

Boolean Text Integer

Here are a number of links to examples having similar argument types.

BitVector compare 018 BitVector compareEQ 014 BitVector compareGE 014 BitVector compareGT 014
BitVector compareLE 014 BitVector compareLT 014 BitVector compareNE 014 BitVector comparison 014
BitVector findBlock 001 BitVector freeBlock 001 BitVector inside 007 BitVector isAtom 010
BitVector isBitVector 001 BitVector isEqual 017 BitVector isIdentical 017 BitVector isMember 008
BitVector isObject 012 BitVector isType 020 BitVector length 013 BitVector member 008
BitVector ref 027 BitVector resize 010 BitVector sizeof 019 BitVector sort 017
BitVector vectorFill 007 Boolean addMethod 011 Boolean addMethod 012 Boolean bcompareEQ 001
Boolean bcompareGE 001 Boolean bcompareGT 001 Boolean bcompareLE 001 Boolean bcompareLT 001
Boolean bcompareNE 001 Boolean boolean 001 Boolean compare 009 Boolean compareEQ 009
Boolean compareGE 009 Boolean compareGT 009 Boolean compareLE 009 Boolean compareLT 009
Boolean compareNE 009 Boolean comparison functions 009 Boolean isBoolean 001 Boolean isEqual 007
Boolean isIdentical 007 Boolean isType 011 Boolean ref 018 Boolean setq 016
Boolean sizeof 009 Boolean type 011 ByteVector isByteVector 001 ByteVector isCharAlphabetic 003
ByteVector isCharAlphanumeric 003 ByteVector isCharLowercase 003 ByteVector isCharName 003 ByteVector isCharNumeric 003
ByteVector isCharUppercase 003 ByteVector isCharWhitespace 003 ByteVector isObject 013 ByteVector sizeof 020
Character cadd 001 Character ccompareEQ 001 Character ccompareGE 001 Character ccompareGT 001
Character ccompareLE 001 Character ccompareLT 001 Character ccompareNE 001 Character cdiv 001
Character character 001 Character cmod 001 Character cmul 001 Character compare 010
Character csub 001 Character isCharacter 001 Character setq 017 Character sizeof 010
Complex compare 021 Complex cos 002 Complex exp 002 Complex expt 002
Complex isComplex 001 Complex log 002 Complex log10 002 Complex log2 002
Complex logbase 002 Complex sin 002 Complex sqrt 002 Complex tan 002
Context clear 001 Context debug 001 Context globalBinding 001 CpxVector avg 002
CpxVector binaryInsert 008 CpxVector binarySearch 008 CpxVector compare 020 CpxVector compareEQ 020
CpxVector compareGE 020 CpxVector compareGT 020 CpxVector compareLE 020 CpxVector compareLT 020
CpxVector compareNE 020 Date compare 012 Date date 001 Date day 001
Date days360 001 Date hour 001 Date minute 001 Date month 001
Date second 001 Date setq 019 Date sizeof 012 Date time 001
Date time 002 Date year 001 Dictionary compare 004 Dictionary compareEQ 004
Dictionary compareGE 004 Dictionary compareGT 004 Dictionary compareLE 004 Dictionary compareLT 004
Dictionary compareNE 004 Dictionary comparison functions 004 Dictionary count 002 Dictionary delete 003
Dictionary delete 004 Dictionary insert 002 Dictionary isAtom 002 Dictionary isBound 002
Dictionary isDictionary 001 Dictionary isEqual 002 Dictionary isIdentical 002 Dictionary isInside 002
Dictionary isMember 002 Dictionary isObject 004 Dictionary isType 006 Dictionary length 005
Dictionary member 002 Dictionary new 004 Dictionary ref 007 Dictionary ref 008
Dictionary ref 009 Dictionary refAttributes 002 Dictionary refValues 002 Dictionary resize 002
Dictionary setq 007 Dictionary setq 008 Dictionary setq 009 Dictionary sizeof 004
Dictionary sort 003 Directory compare 005 Directory compareEQ 005 Directory compareGE 005
Directory compareGT 005 Directory compareLE 005 Directory compareLT 005 Directory compareNE 005
Directory comparison functions 005 Directory count 003 Directory delete 005 Directory delete 006
Directory insert 003 Directory inside 003 Directory isAtom 003 Directory isBound 003
Directory isDirectory 001 Directory isEqual 003 Directory isIdentical 003 Directory isObject 005
Directory isType 007 Directory length 006 Directory member 002 Directory member 003
Directory new 005 Directory new 006 Directory ref 011 Directory ref 012
Directory refAttributes 003 Directory refValues 003 Directory resize 003 Directory setq 010
Directory setq 011 Directory sizeof 005 Directory sort 008 Directory sort 009
Error isIdentical 007 FltVector binaryInsert 004 FltVector binarySearch 005 FltVector compare 014
FltVector compareEQ 014 FltVector compareGE 014 FltVector compareGT 014 FltVector compareLE 014
FltVector compareLT 014 FltVector compareNE 014 FltVector comparison functions 014 FltVector delete 009
FltVector insert 005 FltVector isAtom 005 FltVector isEqual 013 FltVector isFloatVector 001
FltVector isIdentical 012 FltVector isObject 007 FltVector isType 016 FltVector length 008
FltVector ref 022 FltVector resize 006 FltVector sizeof 014 FltVector sort 013
FltVector uniqueInsert 004 FltVector vectorFill 003 Function compare 013 Function sizeof 013
IntVector binaryInsert 005 IntVector binarySearch 006 IntVector compare 015 IntVector compareEQ 014
IntVector compareGE 014 IntVector compareGT 014 IntVector compareLE 014 IntVector compareLT 014
IntVector compareNE 014 IntVector comparison functions 014 IntVector delete 010 IntVector insert 006
IntVector inside 005 IntVector isAtom 006 IntVector isEqual 014 IntVector isIdentical 013
IntVector isIntegerVector 001 IntVector isMember 005 IntVector isObject 008 IntVector isType 017
IntVector length 009 IntVector member 005 IntVector ref 023 IntVector resize 007
IntVector sizeof 015 IntVector sort 014 IntVector uniqueInsert 005 IntVector vectorFill 004
Integer binaryNot 001 Integer bitwiseNot 001 Integer fact 001 Integer gcd 001
Integer iadd 001 Integer icompareGE 001 Integer icompareGT 001 Integer icompareLE 001
Integer icompareLT 001 Integer icompareNE 001 Integer idiv 001 Integer imod 001
Integer imul 001 Integer integer 001 Integer isub 001 Integer lcm 001
List compare 020 List compareEQ 020 List compareGE 020 List compareGT 020
List compareLE 020 List compareLT 020 List compareNE 020 List comparison 020
List count 007 List count 008 List isObject 015 List length 015
List sizeof 022 Matrix binaryInsert 004 Matrix binaryInsert 005 Matrix binarySearch 005
Matrix binarySearch 006 Matrix compare 007 Matrix compareEQ 007 Matrix compareGE 007
Matrix compareGT 007 Matrix compareLE 007 Matrix compareLT 007 Matrix compareNE 007
Matrix comparison functions 007 Matrix count 005 Matrix delete 009 Matrix insert 005
Matrix inside 005 Matrix isAtom 005 Matrix isEqual 005 Matrix isIdentical 005
Matrix isMatrix 001 Matrix isMember 005 Matrix isNumberMatrix 001 Matrix isObject 007
Matrix isType 009 Matrix length 008 Matrix makeGaussianMatrix 001 Matrix makeGramMatrix 001
Matrix matrixGaussianEliminate 001 Matrix matrixGaussianSubstitute 001 Matrix member 005 Matrix rank 001
Matrix ref 015 Matrix ref 016 Matrix resize 005 Matrix setq 014
Matrix sizeof 007 Matrix uniqueInsert 004 Matrix vectorFill 002 NumMatrix binaryInsert 007
NumMatrix binarySearch 007 NumMatrix compare 023 NumMatrix compareEQ 023 NumMatrix compareGE 023
NumMatrix compareGT 023 NumMatrix compareLE 023 NumMatrix compareLT 023 NumMatrix compareNE 023
NumMatrix comparison functions 023 NumMatrix count 009 NumMatrix delete 014 NumMatrix insert 009
NumMatrix inside 009 NumMatrix isAtom 012 NumMatrix isEqual 020 NumMatrix isIdentical 020
NumMatrix isMember 010 NumMatrix isNumberMatrix 001 NumMatrix isObject 014 NumMatrix isType 022
NumMatrix length 017 NumMatrix makeGaussianMatrix 001 NumMatrix makeGramMatrix 001 NumMatrix matrixGaussianEliminate 001
NumMatrix matrixGaussianSubstitute 001 NumMatrix member 009 NumMatrix rank 002 NumMatrix ref 035
NumMatrix resize 011 NumMatrix sizeof 028 NumMatrix uniqueInsert 005 NumMatrix vectorFill 008
NumVector binaryInsert 006 NumVector binarySearch 007 NumVector compare 016 NumVector compareEQ 014
NumVector compareGE 014 NumVector compareGT 014 NumVector compareLE 014 NumVector compareLT 014
NumVector compareNE 014 NumVector comparison 014 NumVector delete 011 NumVector insert 007
NumVector inside 006 NumVector isAtom 007 NumVector isEqual 015 NumVector isIdentical 014
NumVector isMember 006 NumVector isNumberVector 001 NumVector isObject 009 NumVector isType 018
NumVector length 010 NumVector member 006 NumVector objectToNumVector 001 NumVector ref 024
NumVector resize 008 NumVector sizeof 016 NumVector sort 015 NumVector uniqueInsert 006
NumVector vectorFill 005 Number asin 001 Number atan 001 Number avg 001
Number compare 011 Number cos 001 Number cosh 001 Number deg 001
Number exp 001 Number floor 001 Number kurtosis 001 Number log 001
Number log10 001 Number log2 001 Number logbase 001 Number max 001
Number median 001 Number min 001 Number mod 001 Number modi 001
Number nadd 001 Number ncompareGE 001 Number ncompareGT 001 Number ncompareLE 001
Number ncompareLT 001 Number ndiv 001 Number nmod 001 Number nmul 001
Number nsub 001 Number number 001 Number pi 001 Number product 001
Number rad 001 Number random 001 Number randomize 001 Number range 001
Number round 001 Number setq 018 Number sign 001 Number sin 001
Number sinh 001 Number sizeof 011 Number skew 001 Number sqrt 001
Number srandom 001 Number stdev 001 Number stdevp 001 Number sumsqr 001
Number tan 001 Number tanh 001 Number var 001 Number varp 001
ObjVector compare 017 ObjVector compareEQ 014 ObjVector compareGE 014 ObjVector compareGT 014
ObjVector compareLE 014 ObjVector compareLT 014 ObjVector compareNE 014 ObjVector comparison functions 014
ObjVector delete 012 ObjVector insert 008 ObjVector isAtom 008 ObjVector isEqual 016
ObjVector isIdentical 015 ObjVector isMember 007 ObjVector isObject 010 ObjVector isObjectVector 001
ObjVector isType 019 ObjVector length 011 ObjVector member 007 ObjVector ref 025
ObjVector resize 009 ObjVector sizeof 017 ObjVector sort 016 ObjVector uniqueInsert 007
ObjVector vectorFill 006 ObjectRepository clear 002 ObjectRepository compare 021 ObjectRepository compare 022
ObjectRepository compareEQ 021 ObjectRepository compareEQ 022 ObjectRepository compareGE 021 ObjectRepository compareGE 022
ObjectRepository compareGT 021 ObjectRepository compareGT 022 ObjectRepository compareLE 021 ObjectRepository compareLE 022
ObjectRepository compareLT 021 ObjectRepository compareLT 022 ObjectRepository compareNE 021 ObjectRepository compareNE 022
ObjectRepository comparison 021 ObjectRepository comparison 022 ObjectRepository delete 013 ObjectRepository isIdentical 019
ObjectRepository isImmediate 001 ObjectRepository saveImmediate 001 Pair compare 019 Pair compareEQ 019
Pair compareGE 019 Pair compareGT 019 Pair compareLE 019 Pair compareLT 019
Pair compareNE 019 Pair comparison 019 Pair count 006 Pair isObject 014
Pair length 014 Pair sizeof 021 PcodeVector isAtom 009 PcodeVector isIdentical 016
PcodeVector isObject 011 PcodeVector isPcodeVector 001 PcodeVector length 012 PcodeVector ref 026
PcodeVector sizeof 018 ShortVector binaryInsert 006 ShortVector binarySearch 007 ShortVector compare 016
ShortVector compareEQ 015 ShortVector compareGE 015 ShortVector compareGT 015 ShortVector compareLE 015
ShortVector compareLT 015 ShortVector compareNE 015 ShortVector comparison functions 015 ShortVector delete 011
ShortVector insert 007 ShortVector inside 006 ShortVector isAtom 007 ShortVector isEqual 015
ShortVector isIdentical 014 ShortVector isMember 006 ShortVector isObject 009 ShortVector isType 018
ShortVector length 010 ShortVector member 006 ShortVector ref 024 ShortVector resize 008
ShortVector sizeof 016 ShortVector sort 015 ShortVector uniqueInsert 007 ShortVector vectorFill 005
String addMethod 001 String clean 001 String code 001 String compare 001
String compareEQ 001 String compareGE 001 String compareGT 001 String compareLE 001
String compareLT 001 String compareNE 001 String comparison functions 001 String defMethod 001
String defMethod 002 String downcase 001 String find 001 String find 002
String hashString 001 String isChar 001 String isCharAlphabetic 001 String isCharAlphanumeric 001
String isCharLowercase 001 String isCharName 001 String isCharNumeric 001 String isCharUppercase 001
String isCharWhitespace 001 String isEqual 001 String isEqual 002 String isObject 001
String isString 001 String isText 001 String isType 001 String isType 002
String isType 003 String left 001 String length 001 String length 002
String methodsOf 001 String methodsOf 002 String methodsOf 003 String mid 001
String new 001 String parse 001 String ref 001 String ref 002
String replace 001 String rept 001 String right 001 String send 001
String sizeof 001 String string 001 String string 002 String string 003
String stringCiEQ 001 String stringCiGE 001 String stringCiGT 001 String stringCiLE 001
String stringCiLT 001 String stringCiNE 001 String stringFill 001 String stringToBVector 001
String stringToBVector 002 String stringToBVector 003 String stringToVector 001 String stringToVector 002
String stringToVector 003 String stringToVector 004 String substitute 001 String substitute 002
String substring 001 String substring 002 String substringCiEQ 001 String substringCiGE 001
String substringCiGT 001 String substringCiLE 001 String substringCiLT 001 String substringCiNE 001
String text 001 String trim 001 String type 001 String upcase 001
String upcase 002 String upcase 003 Structure apply 001 Structure binaryInsert 001
Structure binarySearch 001 Structure compareEQ 003 Structure compareGE 003 Structure compareGT 003
Structure compareLE 003 Structure compareLT 003 Structure compareNE 003 Structure comparison functions 003
Structure count 001 Structure defstruct 001 Structure defstruct 002 Structure delete 001
Structure insert 001 Structure inside 001 Structure isAtom 001 Structure isBound 001
Structure isEqual 001 Structure isIdentical 001 Structure isInside 001 Structure isMember 001
Structure isObject 003 Structure isStructure 001 Structure isType 005 Structure length 004
Structure member 001 Structure new 003 Structure ref 004 Structure ref 006
Structure refAttributes 001 Structure refValues 001 Structure resize 001 Structure setq 004
Structure setq 005 Structure setq 006 Structure sizeof 003 Structure uniqueInsert 001
Structure uniqueInsert 002 Symbol compare 002 Symbol compareEQ 002 Symbol compareGE 002
Symbol compareGT 002 Symbol compareLE 002 Symbol compareLT 002 Symbol compareNE 002
Symbol comparison functions 002 Symbol defMethod 003 Symbol hashString 002 Symbol isCharAlphabetic 002
Symbol isCharAlphanumeric 002 Symbol isCharLowercase 002 Symbol isCharName 002 Symbol isCharNumeric 002
Symbol isCharUppercase 002 Symbol isCharWhitespace 002 Symbol isObject 002 Symbol isSymbol 001
Symbol isType 004 Symbol length 003 Symbol new 002 Symbol send 002
Symbol sizeof 002 Symbol type 002 Vector binaryInsert 002 Vector binaryInsert 003
Vector binarySearch 003 Vector binarySearch 004 Vector compare 006 Vector compareEQ 006
Vector compareGE 006 Vector compareGT 006 Vector compareLE 006 Vector compareLT 006
Vector compareNE 006 Vector comparison functions 006 Vector count 004 Vector delete 007
Vector delete 008 Vector insert 004 Vector inside 004 Vector isAtom 004
Vector isEqual 004 Vector isIdentical 004 Vector isMember 004 Vector isObject 006
Vector isType 008 Vector isVector 001 Vector length 007 Vector member 004
Vector objectToVector 001 Vector ref 013 Vector ref 014 Vector refAttributes 004
Vector refValues 004 Vector resize 004 Vector setBlock 001 Vector setq 012
Vector setq 013 Vector sizeof 006 Vector sort 011 Vector uniqueInsert 003
Vector vectorFill 001 Void compare 008 Void compareEQ 008 Void compareGE 008
Void compareGT 008 Void compareLE 008 Void compareLT 008 Void compareNE 008
Void comparison functions 008 Void isEqual 006 Void isIdentical 006 Void isType 010
Void ref 017 Void setq 015 Void sizeof 008 substringEQ 001
substringFill 001 substringGE 001 substringGT 001 substringLE 001
substringLT 001 substringNE 001

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