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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

sub

Public Function
std.math.sub
pub fn sub(comptime T: type, a: T, b: T) (error

Returns a - b, or an error on overflow.

Params

  • T: type
  • a: T
  • b: T

File

math.zig:576
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pub fn sub(comptime T: type, a: T, b: T) (error{Overflow}!T) {
    if (T == comptime_int) return a - b;
    const ov = @subWithOverflow(a, b);
    if (ov[1] != 0) return error.Overflow;
    return ov[0];
}