E · Built-in API

FUNCTION E() AS DOUBLE

FUNCTION EdgeCanvas(canvas AS Canvas) AS Canvas FAILS CanvasError,IndexError,NumericError

FUNCTION ElapsedBetween(start AS MonotonicInstant,finish AS MonotonicInstant) AS Duration FAILS DateTimeError

FUNCTION ElapsedBetween(start AS Instant,finish AS Instant) AS Duration FAILS DateTimeError

FUNCTION EmbossCanvas(canvas AS Canvas) AS Canvas FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeAnimation(animation AS Animation,format AS ImageFormat=ImageFormat.APNG,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError,StringError

FUNCTION EncodeAPNG(animation AS Animation,level AS INTEGER=6,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError,StringError

FUNCTION EncodeBMP(canvas AS Canvas,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeGIF(canvas AS Canvas,quantize AS BOOLEAN=TRUE,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeGIFAnimation(animation AS Animation,quantize AS BOOLEAN=TRUE,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeImage(canvas AS Canvas,format AS ImageFormat=ImageFormat.PNG) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError,StringError

FUNCTION EncodeJPEG(canvas AS Canvas,quality AS INTEGER=90,grayscale AS BOOLEAN=FALSE,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeJPEGOnBackground(canvas AS Canvas,background AS Color,quality AS INTEGER=90,grayscale AS BOOLEAN=FALSE,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeJSON[T](value AS T,codec AS JsonCodec) AS STRING FAILS JsonError,LIKE codec, LIKE __JsonEncodeErrors(AS T)

FUNCTION EncodeJSON[T](value AS T) AS STRING FAILS JsonError,LIKE __JsonEncodeErrors(AS T)

FUNCTION EncodePNG(canvas AS Canvas,level AS INTEGER=1,filter AS PNGFilter=PNGFilter.Adaptive,maxEncodedBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError,StringError

FUNCTION EncoderInfo(encoder AS TextEncoder) AS TextConversionInfo

FUNCTION EncodeText(text AS STRING,encoding AS TextEncoding,errors AS TextErrorPolicy=TextErrorPolicy.Strict,bom AS TextEncodeBom=TextEncodeBom.Omit,maxOutputBytes AS INTEGER=67108864) AS LIST OF BYTE FAILS TextEncodingError,IndexError,NumericError,StringError

FUNCTION EncodeTextChunk(BYREF encoder AS TextEncoder,text AS STRING,final AS BOOLEAN=FALSE) AS LIST OF BYTE FAILS TextEncodingError,IndexError,NumericError,StringError

FUNCTION EncodeTextWithInfo(text AS STRING,encoding AS TextEncoding,errors AS TextErrorPolicy=TextErrorPolicy.Strict,bom AS TextEncodeBom=TextEncodeBom.Omit,maxOutputBytes AS INTEGER=67108864) AS EncodedText FAILS TextEncodingError,IndexError,NumericError,StringError

FUNCTION EncodeURLComponent(text AS STRING) AS STRING FAILS StringError

FUNCTION EncodeUtf8(text AS STRING) AS LIST OF BYTE

FUNCTION EncodeWebP(canvas AS Canvas,maxEncodedBytes AS INTEGER=67108864,maxWorkingBytes AS INTEGER=268435456) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeWebPAnimation(animation AS Animation,maxEncodedBytes AS INTEGER=67108864,maxWorkingBytes AS INTEGER=268435456) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EncodeWebPLossless(canvas AS Canvas,maxEncodedBytes AS INTEGER=67108864,maxWorkingBytes AS INTEGER=268435456) AS LIST OF BYTE FAILS CanvasError,IndexError,NumericError

FUNCTION EndOfMonth(value AS Date) AS Date FAILS DateTimeError

FUNCTION EndOfStream[T](reader AS BufferedReader[T]) AS BOOLEAN WHERE T IS RESOURCE

FUNCTION EndOfYear(value AS Date) AS Date FAILS DateTimeError

FUNCTION Endpoint[T](reader AS BufferedReader[T]) AS BORROW T FROM reader WHERE T IS RESOURCE

FUNCTION Endpoint[T](writer AS BufferedWriter[T]) AS BORROW T FROM writer WHERE T IS RESOURCE

FUNCTION ENDSWITH(text AS STRING, suffix AS STRING) AS BOOLEAN

SUB Enqueue[T](BYREF q AS Queue[T],BYVAL value AS T)

FUNCTION EnterTerminalScreen(terminal AS Terminal) AS INTEGER FAILS IoError

FUNCTION EpochDays(value AS Date) AS INTEGER

FUNCTION Equal[T](left AS T, right AS T) AS BOOLEAN

FUNCTION ErrorKindName(kind AS DateTimeErrorKind) AS STRING

FUNCTION EscapeURLComponent(text AS STRING,form AS BOOLEAN=FALSE) AS STRING

FUNCTION EscapeURLPath(text AS STRING) AS STRING

FUNCTION EuclideanMod(value AS INTEGER,divisor AS INTEGER) AS INTEGER FAILS NumericError

SUB Exclude(BYREF bits AS BitSet,index AS INTEGER) FAILS IndexError

FUNCTION EXP(value AS DOUBLE) AS DOUBLE

FUNCTION EXP2(value AS DOUBLE) AS DOUBLE

FUNCTION EXPM1(value AS DOUBLE) AS DOUBLE

FUNCTION Extend[T](BYREF items AS LIST OF T, values AS LIST OF T) AS INTEGER

FUNCTION Extend(BYREF buffer AS ByteBuffer,bytes AS LIST OF BYTE) AS INTEGER FAILS IndexError

FUNCTION Extend(BYREF buffer AS ByteBuffer,bytes AS LIST OF BYTE,start AS INTEGER,count AS INTEGER) AS INTEGER FAILS IndexError

FUNCTION Extract[K,V](BYREF table AS DICT OF K TO V, key AS K) AS OPTIONAL OF V FAILS LIKE ValidateKey(AS K)

FUNCTION Extract[K,V](BYREF d AS SortedDictionary[K,V],key AS K) AS OPTIONAL OF V FAILS IndexError,LIKE __ValueOrderCheck(AS K),LIKE ValidateKey(AS K)

FUNCTION Extract[K,V](BYREF m AS MultiMap[K,V],key AS K) AS OPTIONAL OF LIST OF V FAILS LIKE ValidateKey(AS K)

FUNCTION ExtractAt[T](BYREF items AS LIST OF T,index AS INTEGER) AS T FAILS IndexError

FUNCTION ExtractAt[K,V](BYREF m AS MultiMap[K,V],key AS K,index AS INTEGER) AS V FAILS MissingKey,IndexError,LIKE ValidateKey(AS K)