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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

clamp

Public Function
std.math.clamp
pub fn clamp(val: anytype, lower: anytype, upper: anytype) @TypeOf(val, lower, upper)

Odd ramp function

        |  _____
        | /
        |/
 -------/-------
       /|
 _____/ |
        |

Limit val to the inclusive range [lower, upper].

Params

  • val
  • lower
  • upper

File

math.zig:526
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pub fn clamp(val: anytype, lower: anytype, upper: anytype) @TypeOf(val, lower, upper) {
    const T = @TypeOf(val, lower, upper);
    switch (@typeInfo(T)) {
        .int, .float, .comptime_int, .comptime_float => assert(lower <= upper),
        .vector => |vinfo| switch (@typeInfo(vinfo.child)) {
            .int, .float => assert(@reduce(.And, lower <= upper)),
            else => @compileError("Expected vector of ints or floats, found " ++ @typeName(T)),
        },
        else => @compileError("Expected an int, float or vector of one, found " ++ @typeName(T)),
    }
    return @max(lower, @min(val, upper));
}