gistfile1.txt

# Ruby 1.8

m { }
arity: -1
proc call arg check: no
wraps values: n/a

m { || }
arity: 0
proc call arg check: yes, 0
wraps values: n/a

m { |a| }
arity: 1
proc call arg check: no
wraps values: 1+

m { |a, | }
arity: 1
proc call arg check: yes, 1
wraps values: no

m { |a, *| }
arity: -2
proc call arg check: yes, 1+
wraps values: no

m { |a, *b| }
arity: -2
proc call arg check: yes, 1+
wraps values: for b

m { |*| }
arity: -1
proc call arg check: no
wraps values: n/a

m { |*a| }
arity: -1
proc call arg check: no
wraps values: yes