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Richard Smith 84ea453161 Add semicolon to description of `return var;` statement. (#3131)		%!s(int64=2) %!d(string=hai) anos
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README.md	93e7a37493 Start updating control flow design (#544)	%!s(int64=4) %!d(string=hai) anos
conditionals.md	4e9e43a109 some issues in readme-file, replacing orange with apple (#2656)	%!s(int64=3) %!d(string=hai) anos
loops.md	8d3d1b1233 Flesh out loops docs a little (#729)	%!s(int64=4) %!d(string=hai) anos
return.md	84ea453161 Add semicolon to description of `return var;` statement. (#3131)	%!s(int64=2) %!d(string=hai) anos

Control flow

Overview

Blocks of statements are generally executed linearly. However, statements are the primary place where this flow of execution can be controlled.

Carbon's flow control statements are:

if and else provides conditional execution of statements.
Loops:
- while executes the loop body for as long as the loop expression returns True.
- for iterates over an object, such as elements in an array.
- break exits loops.
- continue goes to the next iteration of a loop.
return ends the flow of execution within a function, returning it to the caller.