Files
mruby-mruby/mrbgems/mruby-proc-ext/mrblib/proc.rb
T
dearblue c4bca7cbb3 Align "wrong number of arguments" messages
Make "N for M" into the form "given N, expected M".

As I worked, I noticed that the `argnum_error()` function had a part to include the method name in the message.
I think this part is no longer needed by https://github.com/mruby/mruby/pull/5394.

  - Before this patch

    ```console
    % bin/mruby -e '[1, 2, 3].each 0'
    trace (most recent call last):
            [1] -e:1
    -e:1:in each: 'each': wrong number of arguments (1 for 0) (ArgumentError)
    ```

  - After this patch

    ```console
    % bin/mruby -e '[1, 2, 3].each 0'
    trace (most recent call last):
            [1] -e:1
    -e:1:in each: wrong number of arguments (given 1, expected 0) (ArgumentError)
    ```
2021-11-28 18:21:29 +09:00

51 lines
1017 B
Ruby

class Proc
def ===(*args)
call(*args)
end
def yield(*args)
call(*args)
end
def to_proc
self
end
def curry(arity=self.arity)
type = :proc
abs = lambda {|a| a < 0 ? -a - 1 : a}
arity = abs[arity]
if lambda?
type = :lambda
self_arity = self.arity
if (self_arity >= 0 && arity != self_arity) ||
(self_arity < 0 && abs[self_arity] > arity)
raise ArgumentError, "wrong number of arguments (given #{arity}, expected #{abs[self_arity]})"
end
end
pproc = self
make_curry = proc do |given_args=[]|
__send__(type) do |*args|
new_args = given_args + args
if new_args.size >= arity
pproc[*new_args]
else
make_curry[new_args]
end
end
end
make_curry.call
end
def <<(other)
->(*args, **opts, &block) { call(other.call(*args, **opts, &block)) }
end
def >>(other)
->(*args, **opts, &block) { other.call(call(*args, **opts, &block)) }
end
end