Hi, I am running Julia v. 0.5.1-pre+27 and I stumbled in this unexpected behavior: I defined a function in Julia REPL, e.g.: f(a,b::Int64)=a*b and I ran it once, e.g.: f(3,4) Then I modified the function: f(a,b)=a*b*2 and I ran it again: f(3,4) to my surpise, the result was still the old o…

What you are seeing is a consequence of multiple dispatch. If you call methods(f) you will see that there are two methods available one were b::Int64 and one with b::Any. The first one is more specific and is thus selected, when the second argument is an Int64. When you call f(1, 4.0), b is of type…

Question regarding multiple dispatch [was Strange and dangerous behavior redefining a function]

General Usage

akis November 18, 2016, 8:02am 9

Relevant FAQ entry here.

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Question regarding multiple dispatch [was Strange and dangerous behavior redefining a function]

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