fabian
@posixlycorrect.com
Reposted by fabian
First ever image of another multi-planet solar system captured by ESO Telescope
November 23, 2024 at 10:42 AM
First ever image of another multi-planet solar system captured by ESO Telescope
Reposted by fabian
Today in silly macro tricks:
you can use a type in parenthesis anywhere you can use the same type, e.g. `(u32)` is the same as `u32` (it's only a tuple if you add a comma).
This means you can match on an "optional" type name (say, for a fn argument) with `$($name:ty)?`, and expand to `($($name)?)`
you can use a type in parenthesis anywhere you can use the same type, e.g. `(u32)` is the same as `u32` (it's only a tuple if you add a comma).
This means you can match on an "optional" type name (say, for a fn argument) with `$($name:ty)?`, and expand to `($($name)?)`
November 18, 2024 at 11:29 PM
Today in silly macro tricks:
you can use a type in parenthesis anywhere you can use the same type, e.g. `(u32)` is the same as `u32` (it's only a tuple if you add a comma).
This means you can match on an "optional" type name (say, for a fn argument) with `$($name:ty)?`, and expand to `($($name)?)`
you can use a type in parenthesis anywhere you can use the same type, e.g. `(u32)` is the same as `u32` (it's only a tuple if you add a comma).
This means you can match on an "optional" type name (say, for a fn argument) with `$($name:ty)?`, and expand to `($($name)?)`
Reposted by fabian
correctness > simplicity > performance
November 16, 2024 at 7:27 PM
correctness > simplicity > performance
Reposted by fabian
Incredible footage of Saturn rising from behind the Moon
November 16, 2024 at 7:09 PM
Incredible footage of Saturn rising from behind the Moon