appendWriteln

 

 

Description

The appendWriteln Function converts one or more arguments to strings and appends them to the end of a target Byte Vector and returns the result. The appendWriteln operation is destructive, that is the result of appending changes the contents of the target Byte Vector. The arguments are converted into strings and concatenated from left to right, returning the final appended Byte Vector. If only the Byte Vector is specified, it is returned.

When to use

Use the appendWriteln function to concatenate large strings into a preallocated space. This will be faster than multiple appends, which may involve multiple garbage collections, as the required space grows in size.

 

Syntax

(appendWriteln ByteVector...)



Name Description AIS Types
ByteVector A preallocated Byte Vector argument, with enough size to contain the final appended string, is mandatory. It can be followed by a list of arguments, each of which will be converted to a string and concatenated into the specified Byte Vector.ByteVector


Returns:

The Byte Vector, after the append, is returned.

 

Examples

Here are a number of links to Lambda coding examples which contain this instruction in various use cases.

Example_ByteVector_appendWriteln_001

This example defines a new ByteVector and appends additional Vectors to it.

 

Argument Types

Here are the links to the data types of the function arguments.

Vector String ByteVector

Here are also a number of links to functions having arguments with any of these data types.

*=(Symbol) addMethod(BitVector) addMethod(Boolean) addMethod(Brick)
addMethod(Character) addMethod(CpxVector) addMethod(Date) addMethod(Dictionary)
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addMethod(Symbol) addMethod(Vector) addMethod(Void) appendWriteln(ByteVector)
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loadObject(ByteVector) loadWorkspace(Context) macroReplace(String) makeGramMatrix(NumMatrix)
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map(FltVector) map(IntVector) map(List) map(Matrix)
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member(NumMatrix) member(NumVector) member(ObjVector) member(ShortVector)
member(Structure) member(Vector) mid(String) minute(Date)
money(Number) month(Date) new(BitVector) new(Brick)
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new(FltVector) new(IntVector) new(Lambda) new(Matrix)
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new(Symbol) new(Vector) number(Number) objectToList(List)
objectToMatrix(Matrix) objectToNumMatrix(NumMatrix) objectToNumVector(NumVector) objectToVector(Vector)
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postHttp(String) postHttp(Text) product(Number) rank(Matrix)
rank(NumMatrix) readHtmlPage(String) readHtmlPage(Text) refAttributes(Dictionary)
refAttributes(Directory) refAttributes(Structure) refAttributes(Vector) refValues(Dictionary)
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setAttributes(Directory) setAttributes(Structure) setAttributes(Vector) setBlock(BitVector)
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