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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

printFloat

Doc Source

Public Function

std.Io.Writer.printFloat

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

Uses a larger stack buffer; asserts mode is decimal or scientific.

Params

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

Errors

WriteFailed: See the Writer implementation for detailed diagnostics.

File

Io/Writer.zig:1716

pub fn printFloat(w: *Writer, value: anytype, options: std.fmt.Number) Error!void {
    const mode: std.fmt.float.Mode = switch (options.mode) {
        .decimal => .decimal,
        .scientific => .scientific,
        .binary, .octal, .hex => unreachable,
    };
    var buf: [std.fmt.float.bufferSize(.decimal, f64)]u8 = undefined;
    const s = std.fmt.float.render(&buf, value, .{
        .mode = mode,
        .precision = options.precision,
    }) catch |err| switch (err) {
        error.BufferTooSmall => "(float)",
    };
    return w.alignBuffer(s, options.width orelse s.len, options.alignment, options.fill);
}