Skip to content

docs: fix typo "an position" → "a position" in Coercions.lean #275

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
linbo328 wants to merge 1 commit into
base: master
Choose a base branch
from
Open

docs: fix typo "an position" → "a position" in Coercions.lean #275

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion book/FPLean/TypeClasses/Coercions.lean
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ tag := "string-path-coercion"
%%%

In the {ref "handling-input"}[source code to {lit}`feline`], a {moduleName}`String` is converted to a {moduleName}`FilePath` using the anonymous constructor syntax.
In fact, this was not necessary: Lean defines a coercion from {moduleName}`String` to {moduleName}`FilePath`, so a string can be used in an position where a path is expected.
In fact, this was not necessary: Lean defines a coercion from {moduleName}`String` to {moduleName}`FilePath`, so a string can be used in a position where a path is expected.
Even though the function {anchorTerm readFile}`IO.FS.readFile` has type {anchorTerm readFile}`System.FilePath → IO String`, the following code is accepted by Lean:

```anchor fileDumper
Expand Down