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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Public Function

printFloatHexOptions

Doc Source

Public Function

std.Io.Writer.printFloatHexOptions

pub fn printFloatHexOptions(w: *Writer, value: anytype, options: std.fmt.Number) Error!void

Uses a smaller stack buffer; asserts mode is not decimal or scientific.

Params

w: *Writer
value
options: std.fmt.Number

Errors

WriteFailed: See the Writer implementation for detailed diagnostics.

File

Io/Writer.zig:1733

pub fn printFloatHexOptions(w: *Writer, value: anytype, options: std.fmt.Number) Error!void {
    var buf: [50]u8 = undefined; // for aligning
    var sub_writer: Writer = .fixed(&buf);
    switch (options.mode) {
        .decimal => unreachable,
        .scientific => unreachable,
        .binary => @panic("TODO"),
        .octal => @panic("TODO"),
        .hex => {},
    }
    printFloatHex(&sub_writer, value, options.case, options.precision) catch unreachable; // buf is large enough

    const printed = sub_writer.buffered();
    return w.alignBuffer(printed, options.width orelse printed.len, options.alignment, options.fill);
}