iskm/learnxinyminutes-docs
1
0
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2024-12-24 18:11:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #3100 from chrisdusovic/master

Browse Source 
[objective-c/en] Add missing block referred to in comment
This commit is contained in:
Pratik Karki 2018-06-14 21:49:44 +05:45 committed by GitHub
commit 44f9834b2c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
objective-c.html.markdown
View File

@ -731,7 +731,10 @@ if ([myClass conformsToProtocol:@protocol(CarUtilities)]) {
/////////////////////////////////////// ///////////////////////////////////////
// Blocks are statements of code, just like a function, that are able to be used as data. // Blocks are statements of code, just like a function, that are able to be used as data.
// Below is a simple block with an integer argument that returns the argument plus 4. // Below is a simple block with an integer argument that returns the argument plus 4.
int (^addUp)(int n); // Declare a variable to store the block. ^(int n) {
return n + 4;
}
int (^addUp)(int n); // Declare a variable to store a block.
void (^noParameterBlockVar)(void); // Example variable declaration of block with no arguments. void (^noParameterBlockVar)(void); // Example variable declaration of block with no arguments.
// Blocks have access to variables in the same scope. But the variables are readonly and the // Blocks have access to variables in the same scope. But the variables are readonly and the
// value passed to the block is the value of the variable when the block is created. // value passed to the block is the value of the variable when the block is created.