What's the point of having pointers in Go? - Stack Overflow
Jan 20, 2015 · Pointers are usefull for several reasons. Pointers allow control over memory layout (affects efficiency of CPU cache). In Go we can define a structure where all the members are …
go - Difference using pointer in struct fields - Stack Overflow
Jan 29, 2020 · As always: if you're using pointers, you're essentially allowing code to manipulate the memory something points to directly. Given how golang is a language that is known to …
Pointers vs. values in parameters and return values
May 8, 2014 · 617 tl;dr: Methods using receiver pointers are common; the rule of thumb for receivers is, "If in doubt, use a pointer." Slices, maps, channels, strings, function values, and …
Can we have function pointers in Go? - Stack Overflow
Aug 30, 2010 · 36 Go doesn't have the same syntax for function pointers as C and C++ do. There's a pretty good explanation for that on the Go blog. Understandably the Go authors …
How to preallocate and fill a slice of pointers in a go-idiomatic way?
How to preallocate and fill a slice of pointers in a go-idiomatic way? Asked 12 years, 5 months ago Modified 2 years, 2 months ago Viewed 49k times
Comparing pointers in Go - Stack Overflow
Dec 15, 2015 · I am reading in my Go book that pointers are comparable. It says: two pointers are equal if and only if they Point to the same variable or both are nil. So why is my following code …
Indexing with pointers - How pointer works with slices?
May 30, 2020 · Slices in Golang are very lightweight structures - the consists of 3 64 bit values: a pointer to an array with data, current length of the array and a maximal length of the array - so …
go - Using a pointer to array - Stack Overflow
To ask a question about the Go language, tag it with go, more people will answer; Vatine did that for you. golang is an obsolete tag; as you can see there are 117 questions tagged as go and …
How do I print the pointer value of a Go object? What does the …
I am just playing around with Go and do not yet have a good mental model of when structs are passed by value or by reference. This may be a very dumb question but I just want to …
Set an int pointer to an int value in Go - Stack Overflow
Jun 13, 2018 · You have a pointer variable which after declaration will be nil. If you want to set the pointed value, it must point to something. Attempting to dereference a nil pointer is a runtime …