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lines changed Original file line number Diff line number Diff line change @@ -13,7 +13,7 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
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refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
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refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
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refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
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- refs/heads/auto: 2d8fbba57df502a47b2818405c6ab349b929142f
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+ refs/heads/auto: ec69dea6f7eed9854504dd83aa136900d48fafef
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refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
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refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
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refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336
Original file line number Diff line number Diff line change @@ -793,15 +793,6 @@ synonym for an existing type but is rather its own distinct type.
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struct GizmoId(int);
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~~~~
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- For convenience, you can extract the contents of such a struct with the
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- dereference (` * ` ) unary operator:
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-
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- ~~~~
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- # struct GizmoId(int);
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- let my_gizmo_id: GizmoId = GizmoId(10);
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- let id_int: int = *my_gizmo_id;
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- ~~~~
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-
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Types like this can be useful to differentiate between data that have
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the same underlying type but must be used in different ways.
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@@ -811,7 +802,16 @@ struct Centimeters(int);
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~~~~
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The above definitions allow for a simple way for programs to avoid
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- confusing numbers that correspond to different units.
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+ confusing numbers that correspond to different units. Their integer
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+ values can be extracted with pattern matching:
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+
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+ ~~~
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+ # struct Inches(int);
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+
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+ let length_with_unit = Inches(10);
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+ let Inches(integer_length) = length_with_unit;
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+ println!("length is {} inches", integer_length);
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+ ~~~
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# Functions
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