Zig 0.17.0-dev (Split by item)

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hasFn

meta.hasFn

pub inline fn hasFn(comptime T: type, comptime name: []const u8) bool

File

lib/std/meta.zig:830

Code

pub inline fn hasFn(comptime T: type, comptime name: []const u8) bool {
    switch (@typeInfo(T)) {
        .@"struct", .@"union", .@"enum", .@"opaque" => {},
        else => return false,
    }
    if (!@hasDecl(T, name))
        return false;

    return @typeInfo(@TypeOf(@field(T, name))) == .@"fn";
}