language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-08-04 12:18:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Rename Result.afterErr to Result.onErr

Browse source
This commit is contained in:
Richard Feldman 2022-07-17 17:26:00 -04:00
parent 0acab0eef3
commit 145bd8b4a2
No known key found for this signature in database
GPG key ID: 7E4127D1E4241798
2 changed files with 8 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

12
crates/compiler/builtins/roc/Result.roc
View file

@ -1,5 +1,5 @@
interface Result
exposes [Result, isOk, isErr, map, mapErr, try, afterErr, withDefault]
exposes [Result, isOk, isErr, map, mapErr, try, onErr, withDefault]
imports [Bool.{ Bool }]
## The result of an operation that could fail: either the operation went
@ -70,7 +70,7 @@ mapErr = \result, transform ->
## If the result is `Ok`, transform the entire result by running a conversion
## function on the value the `Ok` holds. Then return that new result.
##
## (If the result is `Err`, this has no effect. Use `afterErr` to transform an `Err`.)
## (If the result is `Err`, this has no effect. Use `onErr` to transform an `Err`.)
##
## >>> Result.try (Ok -1) \num -> if num < 0 then Err "negative!" else Ok -num
##
@ -86,11 +86,11 @@ try = \result, transform ->
##
## (If the result is `Ok`, this has no effect. Use `try` to transform an `Ok`.)
##
## >>> Result.afterErr (Ok 10) \errorNum -> Str.toNat errorNum
## >>> Result.onErr (Ok 10) \errorNum -> Str.toNat errorNum
##
## >>> Result.afterErr (Err "42") \errorNum -> Str.toNat errorNum
afterErr : Result a err, (err -> Result a otherErr) -> Result a otherErr
afterErr = \result, transform ->
## >>> Result.onErr (Err "42") \errorNum -> Str.toNat errorNum
onErr : Result a err, (err -> Result a otherErr) -> Result a otherErr
onErr = \result, transform ->
when result is
Ok v -> Ok v
Err e -> transform e