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The io module provides input and output functions such as file reading.

enum StdStream
fn eprint eprintf eprintfln eprintln print printf printfln println readBytes readBytesIntoBuffer readFile readFileIntoBuffer readText readTextIntoBuffer trace writeBytes writeFile writeText

Types 1

enumStdStream : ubyte
input
output
error

Functions 22

fnvoid printf(StdStream stream = StdStream.output, A...)(IStr fmtStr, A args)Prints formatted text to stdout. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid printf(StdStream stream = StdStream.output, A...)(InterpolationHeader header, A args, InterpolationFooter footer)Prints formatted text to stdout. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid printfln(StdStream stream = StdStream.output, A...)(IStr fmtStr, A args)Prints formatted text with a new line at the end to stdout. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid printfln(StdStream stream = StdStream.output, A...)(InterpolationHeader header, A args, InterpolationFooter footer)Prints formatted text with a new line at the end to stdout. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid print(StdStream stream = StdStream.output, A...)(A args)Prints text to stdout.
fnvoid println(StdStream stream = StdStream.output, A...)(A args)Prints text with a new line at the end to stdout.
fnvoid eprintf(StdStream stream = StdStream.output, A...)(IStr fmtStr, A args)Prints formatted text to stderr. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid eprintf(StdStream stream = StdStream.output, A...)(InterpolationHeader header, A args, InterpolationFooter footer)Prints formatted text to stderr. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid eprintfln(StdStream stream = StdStream.output, A...)(IStr fmtStr, A args)Prints formatted text with a new line at the end to stderr. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid eprintfln(StdStream stream = StdStream.output, A...)(InterpolationHeader header, A args, InterpolationFooter footer)Prints formatted text with a new line at the end to stderr. For details on formatting, see the `fmtIntoBuffer` function.
fnvoid eprint(StdStream stream = StdStream.output, A...)(A args)Prints text to stderr.
fnvoid eprintln(StdStream stream = StdStream.output, A...)(A args)Prints text with a new line at the end to stderr.
fnvoid trace(IStr file = __FILE__, Sz line = __LINE__, A...)(A args)Prints values and their source location to stdout.
fnFault readFileIntoBuffer(L = LStr)(IStr path, ref L listBuffer, bool binaryMode) @trustedReads an file in one go and store the data inside a buffer.
fnFault readTextIntoBuffer(L = LStr)(IStr path, ref L listBuffer)Reads an file in one go and store the data inside a buffer.
fnFault readBytesIntoBuffer(L = LStr)(IStr path, ref L listBuffer)Reads an file in one go and store the data inside a buffer.
fnMaybe!LStr readFile(IStr path, bool binaryMode)Reads an file in one go and store the data inside a new list. The list must be freed.
fnMaybe!LStr readText(IStr path)Reads an file in one go and store the data inside a new list. The list must be freed.
fnMaybe!LStr readBytes(IStr path)Reads an file in one go and store the data inside a new list. The list must be freed.
fnFault writeFile(IStr path, IStr text, bool binaryMode) @trusted @nogcWrites a file.
fnFault writeText(IStr path, IStr text) @nogcWrites a file.
fnFault writeBytes(IStr path, IStr bytes) @nogcWrites a file.