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In a programming language, an evaluation strategy is a set of rules for evaluating expressions. [1] The term is often used to refer to the more specific notion of a parameter-passing strategy [2] that defines the kind of value that is passed to the function for each parameter (the binding strategy) [3] and whether to evaluate the parameters of a function call, and if so in what order (the ...
In case of call by value, what is passed to the function is the value of the argument – for example, f(2) and a = 2; f(a) are equivalent calls – while in call by reference, with a variable as argument, what is passed is a reference to that variable - even though the syntax for the function call could stay the same. [5]
Call method indicated on the stack with arguments described by callsitedescr. ... Push the address stored in a typed reference. Object model instruction 0x5D rem:
The caller passes the address of a list of argument addresses in register 1. The last address has the high-order bit set to indicate the end of the list. This limits programs using this convention to 31-bit addressing. The address of the called routine is in register 15.
A reference is an abstract data type and may be implemented in many ways. Typically, a reference refers to data stored in memory on a given system, and its internal value is the memory address of the data, i.e. a reference is implemented as a pointer. For this reason a reference is often said to "point to" the data.
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The pre-recorded address, being aired just before midnight in each of Russia's 11 time zones, was in sharp contrast to last year, when he stood behind grim-looking soldiers to make a stern call ...