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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.
Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; List of "Hello World" programs; Comparison of individual languages.
C# 6.0 and above have ?., the null-conditional member access operator (which is also called the Elvis operator by Microsoft and is not to be confused with the general usage of the term Elvis operator, whose equivalent in C# is ??, the null coalescing operator) and ?[], the null-conditional element access operator, which performs a null-safe call of an indexer get accessor.
Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; List of "Hello World" programs; Comparison of individual languages.
Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; List of "Hello World" programs; Comparison of individual languages.
Ternary conditional operator; Null coalescing operators; Safe navigation operators; Modulo operators; Evaluation strategy; List of "Hello World" programs; Comparison ...
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.
Pages in category "Operators (programming)" ... Null coalescing operator; O. Operand; Operator associativity; Operator overloading; Operators in C and C++; Order of ...