Go Functions: Difference between revisions
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{{External|https://golang.org/ref/spec#Length_and_capacity}} | {{External|https://golang.org/ref/spec#Length_and_capacity}} | ||
====<tt>len()</tt>==== | ====<tt>len()</tt>==== | ||
Used to return [[Go_Strings#String_Length|string length]], array length, slice length and map size. | Used to return [[Go_Strings#String_Length|string length]], [[Go_Arrays#Array_Length|array length]], [[Go_Slices#Slice_Length|slice length]] and [[Go_Maps#Map_Size|map size]]. | ||
====<tt>cap()</tt>==== | ====<tt>cap()</tt>==== | ||
Revision as of 23:53, 21 August 2023
Internal
Overview
Go functions allow variables to be declared, inside the function, with the short variable declaration.
Built-in Functions
Built-in functions are available by default, without importing any package. Their names are predeclared function identifiers.
Length and Capacity
len()
Used to return string length, array length, slice length and map size.
cap()
Built-in functions for type conversions.
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