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wren/test/core/function/arity.wren
2015-11-27 21:17:34 -08:00

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System.print(fn () {}.arity) // expect: 0
System.print(fn (a) {a}.arity) // expect: 1
System.print(fn (a, b) {a}.arity) // expect: 2
System.print(fn (a, b, c) {a}.arity) // expect: 3
System.print(fn (a, b, c, d) {a}.arity) // expect: 4