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| -rw-r--r-- | doc/manual.rst | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/doc/manual.rst b/doc/manual.rst index e8eec9a57..f80b03369 100644 --- a/doc/manual.rst +++ b/doc/manual.rst @@ -1616,7 +1616,7 @@ heterogeneous storage types with few abstractions. The `()` syntax can be used to construct tuples. The order of the fields in the constructor must match the order of the tuple's definition. Different tuple-types are *equivalent* if they specify the same fields of the same type in the same -order. The *names* of the fields also have to be identical. +order. The *names* of the fields also have to be the same. The assignment operator for tuples copies each component. The default assignment operator for objects copies each component. Overloading @@ -1627,15 +1627,16 @@ of the assignment operator is described `here type Person = tuple[name: string, age: int] # type representing a person: - # a person consists of a name - # and an age - var - person: Person + # it consists of a name and an age. + var person: Person person = (name: "Peter", age: 30) - echo person.name + assert person.name == "Peter" # the same, but less readable: person = ("Peter", 30) - echo person[0] + assert person[0] == "Peter" + assert Person is (string, int) + assert (string, int) is Person + assert Person isnot tuple[other: string, age: int] # `other` is a different identifier A tuple with one unnamed field can be constructed with the parentheses and a trailing comma: |