There are already several methods referring to capacity but none to
retrieve it. Those methods also promise certain behavior that mandates
having *a* capacity field inside the struct, so no changes in layout
will ever remove it. Thus it's OK to expose the field.
Aside from exposing the field, this also fixes up the tests to obey the
sanity rules.
These methods are either newtype casts that should compile to no-ops or
directly calling into some other function with at most some pointer
adjustments. As such making them `#[inline]` is definitely benefitial.
There are also methods that check length and then call some other
function. These are also worth inlining since the length could be known
at compile time and the check could be eliminated.
We have several trait implementations for `Script` and `ScriptBuf` in a
common module so that it's easy to verify that they are same but `Deref`
and `DerefMut` should *not* be implemented for `Script` so having them
in the common module is not helpful. This moves them to the appropriate
`Owned` module.
The newtype sanity rules (a name I came up with):
* Newtypes should have at most one constructor that directly references
the inner field.
* Newtypes should have at most three accessor methods that directly
reference the ineer field: one for owned access, the second for
borrowed and the third for mutably borrowed.
* All other methods should use the methods above to perform operations
on the newtype and not directly access the fields.
This commit makes `Script` and `ScriptBuf` obey these except for
`reserve` and `reserve_exact` since we don't have `as_mut_vec` method.
As a side effect it also adds `const` to `ScriptBuf::from_bytes`.
Enable lint `clippy::return_self_not_must_use` and add attribute
`must_use` as required.
Also run the linter with `clippy::must_use_candidate` enabled and
manually check every warning site.
While we are at it change the current `must_use` usages to have no
message. We can always add a message later if needed.
In functions that act like constructors there is a mixture of the usage
of `creates` and `constructs`.
Replace all occurrences of `creates` with `constructs` in the first line
of docs of constructor like functions.
We want our code to be easy to read and our APIs discoverable, for those
of us who read source files the layout matters.
Put the constructors and getters at the top of the impl block.
Code move only, no logic changes.
Fmt Bot
Martin Habovstiak
Jamil Lambert, PhD
Tobin C. Harding