The Reflect API is a way to manipulate values dynamically through an abstract interface in an untyped manner. Use with care.
See:
Static methods
staticcallMethod (o:Dynamic, func:Function, args:Array<Dynamic>):Dynamic
Call a method with the given object and arguments.
staticcompare<T> (a:T, b:T):Int
Compares a
and b
.
If a
is less than b
, the result is negative. If b
is less than
a
, the result is positive. If a
and b
are equal, the result is 0.
This function is only defined if a
and b
are of the same type.
If that type is a function, the result is unspecified and
Reflect.compareMethods
should be used instead.
For all other types, the result is 0 if a
and b
are equal. If they
are not equal, the result depends on the type and is negative if:
- Numeric types: a is less than b
- String: a is lexicographically less than b
- Other: unspecified
If a
and b
are null, the result is 0. If only one of them is null,
the result is unspecified.
staticcompareMethods (f1:Dynamic, f2:Dynamic):Bool
Compares the functions f1
and f2
.
If f1
or f2
are not functions, the result is unspecified.
Otherwise the result is true if f1
and the f2
are physically equal,
false otherwise.
staticcopy<T> (o:T):T
Copies the fields of structure o
.
This is only guaranteed to work on anonymous structures.
If o
is null, the result is unspecified.
staticdeleteField (o:Dynamic, field:String):Bool
Removes the field named field
from structure o
.
This method is only guaranteed to work on anonymous structures.
If o
or field
are null, the result is unspecified.
staticfield (o:Dynamic, field:String):Dynamic
Returns the value of the field named field
on object o
.
If o
is not an object or has no field named field
, the result is
null.
If the field is defined as a property, its accessors are ignored. Refer
to Reflect.getProperty
for a function supporting property accessors.
If field
is null, the result is unspecified.
(As3) If used on a property field, the getter will be invoked. It is not possible to obtain the value directly.
staticfields (o:Dynamic):Array<String>
Returns the fields of structure o
.
This method is only guaranteed to work on anonymous structures. Refer to
Type.getInstanceFields
for a function supporting class instances.
If o
is null, the result is unspecified.
staticgetProperty (o:Dynamic, field:String):Dynamic
Returns the value of the field named field
on object o
, taking
property getter functions into account.
If the field is not a property, this function behaves like
Reflect.field
, but might be slower.
If o
or field
are null, the result is unspecified.
statichasField (o:Dynamic, field:String):Bool
Tells if structure o
has a field named field
.
This is only guaranteed to work for anonymous structures. Refer to
Type.getInstanceFields
for a function supporting class instances.
If o
or field
are null, the result is unspecified.
staticisEnumValue (v:Dynamic):Bool
Tells if v
is an enum value.
The result is true if v
is of type EnumValue, i.e. an enum
constructor.
Otherwise, including if v
is null, the result is false.
staticisFunction (f:Dynamic):Bool
Returns true if f
is a function, false otherwise.
If f
is null, the result is false.
staticmakeVarArgs (f:Array<Dynamic> ‑> Dynamic):Dynamic
staticmakeVarArgs (f:Array<Dynamic> ‑> Void):Dynamic
Transform a function taking an array of arguments into a function that can be called with any number of arguments.
staticsetField (o:Dynamic, field:String, value:Dynamic):Void
Sets the field named field
of object o
to value value
.
If o
has no field named field
, this function is only guaranteed to
work for anonymous structures.
If o
or field
are null, the result is unspecified.
(As3) If used on a property field, the setter will be invoked. It is not possible to set the value directly.
staticsetProperty (o:Dynamic, field:String, value:Dynamic):Void
Sets the field named field
of object o
to value value
, taking
property setter functions into account.
If the field is not a property, this function behaves like
Reflect.setField
, but might be slower.
If field
is null, the result is unspecified.