getsignature
Purpose
Synopsis
function getsignature(sbr:procedure|function):string
Argument
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sbr
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A reference to a subroutine or a union containing a subroutine
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Return value
The signature of the subroutine
Example
public declarations
f2: function(real, set of string):boolean
end-declarations
writeln("f takes ", getnbargs(->f2)," arguments, ", ! = 2
"f returns a boolean: ", getrettype(->f2)=boolean.id, ! = true
", signature of f: ", getsignature(->f2)) ! = rEs
Further information
The signature of a subroutine is a text string characterising the types of the parameters it requires (but it does not provide information on the return type of a function). This string is empty for a subroutine not requiring any argument.
Related topics
Module
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