T
- Type held inside closed varpublic class MutableFloat extends java.lang.Object implements To<MutableFloat>, java.util.function.Supplier<java.lang.Float>, java.util.function.Consumer<java.lang.Float>
float 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.
MutableFloat var = MutableFloat.of(true);
Runnable r = () -> var.set(false);
Modifier and Type | Class and Description |
---|---|
static interface |
MutableFloat.FloatFunction |
Constructor and Description |
---|
MutableFloat() |
Modifier and Type | Method and Description |
---|---|
void |
accept(java.lang.Float t) |
static MutableFloat |
fromExternal(java.util.function.Supplier<java.lang.Float> s,
java.util.function.Consumer<java.lang.Float> c)
Construct a MutableFloat that gets and sets an external value using the provided Supplier and Consumer
e.g.
|
java.lang.Float |
get() |
float |
getAsFloat() |
<T1> Mutable<T1> |
mapInputToObj(java.util.function.Function<T1,java.lang.Float> fn)
Use the supplied function to perform a lazy map operation when get is called
|
<R> Mutable<R> |
mapOutputToObj(java.util.function.Function<java.lang.Float,R> fn)
Use the supplied function to perform a lazy map operation when get is called
|
MutableFloat |
mutate(MutableFloat.FloatFunction varFn) |
static <T> MutableFloat |
of(float var)
Create a Mutable variable, which can be mutated inside a Closure
e.g.
|
MutableFloat |
set(float var) |
public static <T> MutableFloat of(float var)
MutableFloat num = MutableFloat.of(true);
num.mutate(n->!n))
System.out.println(num.getAsFloat());
//prints false
var
- Initial value of Mutablepublic static MutableFloat fromExternal(java.util.function.Supplier<java.lang.Float> s, java.util.function.Consumer<java.lang.Float> c)
MutableFloat mutable = MutableFloat.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.Float,R> fn)
MutableFloat mutable = MutableFlaot.fromExternal(()->!this.value,val->!this.value);
Mutable<Float> withOverride = mutable.mapOutputToObj(b->{
if(override)
return 1f;
return b;
});
fn
- Map function to be applied to the result when get is calledpublic <T1> Mutable<T1> mapInputToObj(java.util.function.Function<T1,java.lang.Float> fn)
MutableFloat mutable = MutableBoolean.fromExternal(()->!this.value,val->!this.value);
Mutable<Float> withOverride = mutable.mapInputToObj(b->{
if(override)
return 2f;
return b;
});
fn
- Map function to be applied to the input when set is calledpublic float getAsFloat()
public MutableFloat set(float var)
var
- New valuepublic MutableFloat mutate(MutableFloat.FloatFunction varFn)
varFn
- New valuepublic java.lang.Float get()
get
in interface java.util.function.Supplier<java.lang.Float>
public void accept(java.lang.Float t)
accept
in interface java.util.function.Consumer<java.lang.Float>