Numeric types
Numeric types are built in, will be familiar:
int
uint
float
int8
uint8 = byte
int16
uint16
int32
uint32
float32
int64
uint64
float64
Also uintptr, an integer big enough to store a pointer.
These are all distinct types; int is not int32 even on a 32-bit machine.
No implicit conversions.
Bool
The usual boolean type, bool, with values true and false (predefined constants).
The if statement etc. use boolean expressions.
Pointers and integers are [...]
Numeric types
Numeric types are built in, will be familiar:
|
int |
uint |
float |
|
int8 |
uint8 = byte |
|
|
int16 |
uint16 |
|
|
int32 |
uint32 |
float32 |
|
int64 |
uint64 |
float64 |
- Also uintptr, an integer big enough to store a pointer.
- These are all distinct types; int is not int32 even on a 32-bit machine.
- No implicit conversions.
Bool
- The usual boolean type, bool, with values true and false (predefined constants).
- The if statement etc. use boolean expressions.
- Pointers and integers are not booleans.
String
- The built-in type string represents immutable arrays of bytes – that is, text. Strings are length-delimited not NUL-terminated.
- String literals have type string.
- Immutable, just like ints. Can reassign variables but not edit values.
Just as 3 is always 3, “hello” is always “hello”.
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