meaning of arg

1. arg argument argument Or "arg" A value or reference passed to a function, procedure, subroutine, command or program, by the caller. For example, in the function squarex = x * x x is the formal argument or "parameter" and in the call y = square3+3 3+3 is the actual argument. This will, in most cases, execute the function square with x having the value 6. There are many different conventions for passing arguments to functions and procedures including call-by-value, call-by-name, call-by-need. These affect whether the value of the argument is computed by the caller or the callee the function and whether the callee can modify the value of the argument as seen by the caller if it is a variable. Arguments to functions are usually, following mathematical notation, written in parentheses after the function name, separated by commas. Arguments to a program are usually given after the command name, separated by spaces, e. g. : cat myfile yourfile hisfile Here "cat" is the command and "myfile", "yourfile", and "hisfile" are the arguments. See also: curried function.

Related Words

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