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• The bottommost import takes priority (detailed inResolution Order(Section 3.7.3)).


• The static extension (6.3) keywordusingimplies the effect ofimport.


• If an enum is imported (directly or as part of a module import), all its enum constructors
  (2.4.1) are also imported (this is what allows theOpAddusage in the above example).

Furthermore, it is also possible to import static fields ( 4 ) of a class and use them unqualified:

1 import Math.random;

2

3 class Main {

4 static public function main() {

5 random();

6 }

7 }

Describe import a.Describe import a.
Special care has to be taken with field names or local variable names that conflict with a
package name: Since they take priority over packages, a local variable namedhaxeblocks off
usage the entirehaxepackage.

3.7.3 Resolution Order

Resolution order comes into play as soon as unqualified identifiers are involved. These are ex-

pressions ( 5 ) in the form offoo(),foo = 1andfoo.field. The last one in particular includes

module paths such ashaxe.ds.StringMap, wherehaxeis an unqualified identifier.

We describe the resolution order algorithm here, which depends on the following state:

• the declared local variables (5.10) (including function arguments)


• the imported (3.7.2) modules, types and statics


• the available static extensions (6.3)


• the kind (static or member) of the current field


• the declared member fields on the current class and its parent classes


• the declared static fields on the current class


• the expected type (3.6.1)


• the expression beinguntypedor not

proper label and cap-
tion + code/identifier
styling for diagram

proper label and cap-
tion + code/identifier
styling for diagram

Given an identifieri, the algorithm is as follows:

1.If i istrue,false,this,superornull, resolve to the matching constant and halt.

2.If a local variable namediis accessible, resolve to it and halt.

3.If the current field is static, go to 6.

4.If the current class or any of its parent classes has a field namedi, resolve to it and halt.

5.If a static extension with a first argument of the type of the current class is available, resolve

to it and halt.