| Znav | ||||
|---|---|---|---|---|
|
The Slice built-in types are mapped to Objective-C types as shown below.
Slice | Objective-C |
|---|---|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Slice bool maps to Objective-C BOOL. The remaining integral and floating-point types map to Objective-C type definitions instead of native types. This allows the Ice run time to provide a definition as appropriate for each target architecture. (For example, ICELong might be defined as long on one architecture and as long long on another.)
Note that ICEByte is a typedef for unsigned char. This guarantees that byte values are always in the range 0..255, and it ensures that right-shifting an ICEByte does not cause sign-extension.
Whether a Slice string maps to NSString or NSMutableString depends on the context. NSMutableString is used in some cases for operation parameters; otherwise, if a string is a data member of a Slice structure, class, or exception, it maps to NSString. (We will discuss these differences in more detail as we cover the mapping of the relevant Slice language features.)
| Ztop |
|---|
See Also
- Objective-C Mapping for Modules
- Objective-C Mapping for Identifiers
- Objective-C Mapping for Enumerations
- Objective-C Mapping for Structures
- Objective-C Mapping for Sequences
- Objective-C Mapping for Dictionaries
- Objective-C Mapping for Constants
- Objective-C Mapping for Exceptions
- Objective-C Mapping for Interfaces
| Zret |
|---|
| Znav | ||||
|---|---|---|---|---|
|