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Documenting how to obtain static methods for a type #6938

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Jun 6, 2023
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Documenting how to obtain static methods for a type #6938

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051b485
Documenting how to obtain static methods for Integer
JaroslavTulach Jun 2, 2023
e566b1e
Documentation as suggested by Radek
JaroslavTulach Jun 3, 2023
dc41725
Check static methods on MyType
JaroslavTulach Jun 3, 2023
f0cc50c
Typo
JaroslavTulach Jun 6, 2023
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21 changes: 20 additions & 1 deletion distribution/lib/Standard/Base/0.0.0-dev/src/Meta.enso
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Expand Up @@ -36,7 +36,26 @@ type Type

## ADVANCED

Returns a vector of `Meta.Constructor` for this type
Returns a vector of method names that can be invoked
on instances of this type.
? Static Methods

To obtain list of _static methods_ on a given type
use `Meta.type_of`.

> Example
All instance methods to invoke on `Integer` as
`(v:Integer) v.method_name...`:
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Meta.meta Integer . methods

> Example
All static mehtods to invoke on `Integer` as
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`Integer.method_name...`:

Meta.meta (Meta.type_of Integer) . methods


methods : Vector
methods self =
Vector.from_polyglot_array (get_type_methods self.value)
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11 changes: 11 additions & 0 deletions test/Tests/src/Semantic/Meta_Spec.enso
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Expand Up @@ -30,9 +30,13 @@ type My_Type
@b (self -> self.foo)
other_method self a = a

create foo bar = My_Type.Value foo bar 3

@self ("se" + "lf")
My_Type.my_method self = self.foo + self.bar + self.baz

My_Type.factory = My_Type.create 1 2

@a (test_method 3 4)
@b (Test_Type.Value 49)
@c (Error.throw "Error Value")
Expand Down Expand Up @@ -247,9 +251,16 @@ spec =

methods.sort . should_equal ['bar', 'baz', 'first_method', 'foo', 'my_method', 'other_method', 'second_method']

Test.specify "static methods of MyType" <|
methods = Meta.meta (Meta.type_of My_Type) . methods
methods.sort . should_equal ['Value', 'create', 'factory', 'first_method', 'my_method', 'other_method', 'second_method']
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Test.specify "methods of Integer" <|
Meta.meta Integer . methods . sort . should_equal ['round', 'truncate']
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Test.specify "static methods of Integer" <|
Meta.meta (Meta.type_of Integer) . methods . sort . should_equal ['parse', 'parse_builtin', 'round', 'truncate']
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Test.specify "should correctly handle Java values" <|
java_meta = Meta.meta Random.new
java_meta . should_be_a Meta.Polyglot
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