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The null coalescing operator is a binary operator that is part of the syntax for a basic conditional expression in several programming languages, such as (in alphabetical order): C# [1] since version 2.0, [2] Dart [3] since version 1.12.0, [4] PHP since version 7.0.0, [5] Perl since version 5.10 as logical defined-or, [6] PowerShell since 7.0.0, [7] and Swift [8] as nil-coalescing operator.
Ternary conditional operator; Null coalescing operators; Safe navigation operators; Modulo operators; ... A 'C' in column 1 indicates that this entire line is a ...
Ternary conditional operator; Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; List of "Hello World" programs; Comparison ...
Pages in category "Operators (programming)" ... Null coalescing operator; O. Operand; Operator associativity; Operator overloading; Operators in C and C++; Order of ...
Ternary conditional operator; Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; List of "Hello World" programs; Comparison ...
Ternary conditional operator; Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; ... C++ operator returntype ...
As a precursor to the lambda functions introduced in C# 3.0, C#2.0 added anonymous delegates. These provide closure-like functionality to C#. [3] Code inside the body of an anonymous delegate has full read/write access to local variables, method parameters, and class members in scope of the delegate, excepting out and ref parameters.
Those are logical or operators, not null coalescing operators. If an operator $ returns 1 for the expression x $ 1 for any value of x other than null, it is not a null coalescing operator. In JavaScript, || treats several non-null values as false, such as 0, false, NaN, and the empty string.