Go Concepts - Operators: Difference between revisions
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=Reference and Dereference Operators= | =Reference and Dereference Operators= | ||
<tt>*</tt> and <tt>&</tt> | <font color=red>Define <tt>*</tt> and <tt>&</tt></font>. | ||
Also see [[Go Concepts - Lexical Structure#Pointers|pointers]]. | Also see [[Go Concepts - Lexical Structure#Pointers|pointers]]. | ||
Revision as of 05:05, 23 March 2016
External
- Go Specification - Operators: https://golang.org/ref/spec#Operators
Internal
+
Addition or concatenation. The compiler figures out the semantics based on the operands' types.
Applies to:
-
Subtraction
*
Multiplication
/
Division
%
Remainder
=
The assignment operator.
+=
Addition and assignment.
==
The equality operator. Returns a boolean value.
[]
"[]" is the indexing operator. If the index is out of bounds, the runtime generates a run-time panic:
panic: runtime error: index out of range
Applies to:
- strings
- arrays
:=
Variable declaration and assignment. Also known as short variable declaration operator.
<-
Reference and Dereference Operators
Define * and &.
Also see pointers.