M, Objective-C Implementation File (.m)
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The M Developer file format
Files with the simple M extension contain code written in the Objective-C programming language. It is commonly used for the implementation of classes. The Apple operating systems Mac OS X and iOS (for iPhone, iPad, etc.) use Objective-C as one of the most common programming languages for the implementation of apps.
Technical details of M files
M files save the Objective-C code it contains in a plain text format. Since it is used for the implementation of applications, the initial directive inside the M file is "@implementation". What M files do is initializing all necessary functions and variables inside the file. These functions and variables are often times referenced by other files written in Objective-C as well as header files.
More information about the M file format
| File extension | .m |
| File category | Developer |
| Associated programs | Apple compiler (Linux) Apple Xcode (Mac) Bare Bones BBEdit (Mac) GNU Compiler Collection (Mac & Linux) gVim (Windows) jEdit (Windows, Mac & Linux) MacroMates TextMate (Mac) MacVim (Mac) Richardson EditRocket (Windows, Mac & Linux) Stepstone compiler (Linux) Vim (Linux) |
| Useful links | More Information from Apple about M files |
| Developer | Apple |