T
- Type held inside closed varpublic class MutableByte extends java.lang.Object implements To<MutableByte>, java.util.function.Supplier<java.lang.Byte>, java.util.function.Consumer<java.lang.Byte>
byte var = true;
Runnable r = () -> var =false;
Won't compile because var is treated as if it is final.
This can be 'worked around' by using a wrapping object or array.
e.g.
MutableByte var = MutableByte.of(true);
Runnable r = () -> var.set(false);
Modifier and Type | Class and Description |
---|---|
static interface |
MutableByte.ByteFunction |
Constructor and Description |
---|
MutableByte() |
Modifier and Type | Method and Description |
---|---|
void |
accept(java.lang.Byte t) |
static MutableByte |
fromExternal(java.util.function.Supplier<java.lang.Byte> s,
java.util.function.Consumer<java.lang.Byte> c)
Construct a MutableByte that gets and sets an external value using the provided Supplier and Consumer
e.g.
|
java.lang.Byte |
get() |
byte |
getAsByte() |
<T1> Mutable<T1> |
mapInputToObj(java.util.function.Function<T1,java.lang.Byte> fn)
Use the supplied function to perform a lazy transform operation when getValue is called
|
<R> Mutable<R> |
mapOutputToObj(java.util.function.Function<java.lang.Byte,R> fn)
Use the supplied function to perform a lazy transform operation when getValue is called
|
MutableByte |
mutate(MutableByte.ByteFunction varFn) |
static <T> MutableByte |
of(byte var)
Create a Mutable variable, which can be mutated inside a Closure
e.g.
|
MutableByte |
set(byte var) |
public static <T> MutableByte of(byte var)
MutableByte num = MutableByte.of(true);
num.mutate(n->!n))
System.out.println(num.getAsByte());
//prints false
var
- Initial value of Mutablepublic static MutableByte fromExternal(java.util.function.Supplier<java.lang.Byte> s, java.util.function.Consumer<java.lang.Byte> c)
MutableByte mutable = MutableByte.fromExternal(()->!this.value,val->!this.value);
s
- Supplier of an external valuec
- Consumer that sets an external valuepublic <R> Mutable<R> mapOutputToObj(java.util.function.Function<java.lang.Byte,R> fn)
MutableByte mutable = MutableByte.fromExternal(()->!this.value,val->!this.value);
Mutable<Byte> withOverride = mutable.mapOutputToObj(b->{
if(override)
return 1b;
return b;
});
fn
- Map function to be applied to the result when getValue is calledpublic <T1> Mutable<T1> mapInputToObj(java.util.function.Function<T1,java.lang.Byte> fn)
MutableByte mutable = MutablByte.fromExternal(()->!this.value,val->!this.value);
Mutable<Byte> withOverride = mutable.mapInputToObj(b->{
if(override)
return 1b;
return b;
});
fn
- Map function to be applied to the input when set is calledpublic byte getAsByte()
public MutableByte set(byte var)
var
- New valuepublic MutableByte mutate(MutableByte.ByteFunction varFn)
varFn
- New valuepublic void accept(java.lang.Byte t)
accept
in interface java.util.function.Consumer<java.lang.Byte>
public java.lang.Byte get()
get
in interface java.util.function.Supplier<java.lang.Byte>