Hi Andrea,
On 08/04/16 13:26, Andrea Faulds wrote:
Hi Ivan,
Ivan Enderlin wrote:
Thanks a lot for this RFC. Huge +1 from the all Hoa's community and
myself.
However, did you discuss about `[…]` vs. `{…}`? Most of the time, arrays
or vectors constructing are represented by `[…]` symbols while
destructing are represented by `{…}`. What your point of view or
arguments here?
I'm not sure I understand what you mean. In JS, for example, you use
{} to create an object or for destructuring assignment for an object.
But you don't use {} for other cases. [] is used to create arrays and
for destructuring assignment from arrays. The pattern resembles the
syntax for constructing what it matches against. In Haskell, (…,…) is
used for constructing a tuple and pattern-matching against it.
I can't think of a language where {…} is used for destructuring or
pattern-matching against something which is not written with {…}.
Does that make sense?
Yup.
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