select

pub fn select(
    self: *WipFunction,
    fast: FastMathKind,
    cond: Value,
    lhs: Value,
    rhs: Value,
    name: []const u8,
) Allocator.Error!Value {
    return self.selectTag(switch (fast) {
        .normal => .select,
        .fast => .@"select fast",
    }, cond, lhs, rhs, name);
}