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Fixed hint for move semantics ex. 1 hint

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Nick Taylor 2021-08-21 21:42:11 -04:00
parent df25684cb7
commit bfc0c8a1fd
1 changed files with 5 additions and 5 deletions
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info.toml
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@ -171,7 +171,7 @@ path = "exercises/move_semantics/move_semantics2.rs"
mode = "compile" mode = "compile"
hint = """ hint = """
So `vec0` is being *moved* into the function `fill_vec` when we call it on So `vec0` is being *moved* into the function `fill_vec` when we call it on
line 10, which means it gets dropped at the end of `fill_vec`, which means we line 7, which means it gets dropped at the end of `fill_vec`, which means we
can't use `vec0` again on line 13 (or anywhere else in `main` after the can't use `vec0` again on line 13 (or anywhere else in `main` after the
`fill_vec` call for that matter). We could fix this in a few ways, try them `fill_vec` call for that matter). We could fix this in a few ways, try them
all! all!
@ -771,7 +771,7 @@ case is a vector of integers and the failure case is a DivisionError.
The list_of_results function needs to return a vector of results. The list_of_results function needs to return a vector of results.
See https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.collect for how See https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.collect for how
the `FromIterator` trait is used in `collect()`.""" the `FromIterator` trait is used in `collect()`."""
[[exercises]] [[exercises]]
@ -900,11 +900,11 @@ path = "exercises/clippy/clippy1.rs"
mode = "clippy" mode = "clippy"
hint = """ hint = """
Not every floating point value can be represented exactly in binary values in Not every floating point value can be represented exactly in binary values in
memory. Take a look at the description of memory. Take a look at the description of
https://doc.rust-lang.org/stable/std/primitive.f32.html https://doc.rust-lang.org/stable/std/primitive.f32.html
When using the binary compare operators with floating points you won't compare When using the binary compare operators with floating points you won't compare
the floating point values but the binary representation in memory. This is the floating point values but the binary representation in memory. This is
usually not what you would like to do. usually not what you would like to do.
See the suggestions of the clippy warning in compile output and use the See the suggestions of the clippy warning in compile output and use the
machine epsilon value... machine epsilon value...
https://doc.rust-lang.org/stable/std/primitive.f32.html#associatedconstant.EPSILON""" https://doc.rust-lang.org/stable/std/primitive.f32.html#associatedconstant.EPSILON"""