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mo8it 2024-07-04 13:03:05 +02:00
parent 248dd4415e
commit d54c050985
2 changed files with 10 additions and 10 deletions
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10
exercises/13_error_handling/errors2.rs
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@ -5,11 +5,11 @@
// the player typed in the quantity, we get it as a string. They might have // the player typed in the quantity, we get it as a string. They might have
// typed anything, not just numbers! // typed anything, not just numbers!
// //
// Right now, this function isn't handling the error case at all (and isn't // Right now, this function isn't handling the error case at all. What we want
// handling the success case properly either). What we want to do is: If we call // to do is: If we call the `total_cost` function on a string that is not a
// the `total_cost` function on a string that is not a number, that function // number, that function will return a `ParseIntError`. In that case, we want to
// will return a `ParseIntError`. In that case, we want to immediately return // immediately return that error from our function and not try to multiply and
// that error from our function and not try to multiply and add. // add.
// //
// There are at least two ways to implement this that are both correct. But one // There are at least two ways to implement this that are both correct. But one
// is a lot shorter! // is a lot shorter!

10
solutions/13_error_handling/errors2.rs
View file

@ -5,11 +5,11 @@
// the player typed in the quantity, we get it as a string. They might have // the player typed in the quantity, we get it as a string. They might have
// typed anything, not just numbers! // typed anything, not just numbers!
// //
// Right now, this function isn't handling the error case at all (and isn't // Right now, this function isn't handling the error case at all. What we want
// handling the success case properly either). What we want to do is: If we call // to do is: If we call the `total_cost` function on a string that is not a
// the `total_cost` function on a string that is not a number, that function // number, that function will return a `ParseIntError`. In that case, we want to
// will return a `ParseIntError`. In that case, we want to immediately return // immediately return that error from our function and not try to multiply and
// that error from our function and not try to multiply and add. // add.
// //
// There are at least two ways to implement this that are both correct. But one // There are at least two ways to implement this that are both correct. But one
// is a lot shorter! // is a lot shorter!