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Diffstat (limited to 'src/content/chapter5_advance_features/lesson00_use/code.gleam')
-rw-r--r-- | src/content/chapter5_advance_features/lesson00_use/code.gleam | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/src/content/chapter5_advance_features/lesson00_use/code.gleam b/src/content/chapter5_advance_features/lesson00_use/code.gleam deleted file mode 100644 index 37624ab..0000000 --- a/src/content/chapter5_advance_features/lesson00_use/code.gleam +++ /dev/null @@ -1,38 +0,0 @@ -import gleam/io -import gleam/result - -pub fn main() { - io.debug(without_use()) - io.debug(with_use()) -} - -pub fn without_use() { - result.try(get_usename(), fn(username) { - result.try(get_password(), fn(password) { - result.map(log_in(username, password), fn(greeting) { - greeting <> ", " <> username - }) - }) - }) -} - -pub fn with_use() { - use username <- result.try(get_usename()) - use password <- result.try(get_password()) - use greeting <- result.map(log_in(username, password)) - greeting <> ", " <> username -} - -// Here are some pretend functions for this example: - -fn get_usename() { - Ok("alice") -} - -fn get_password() { - Ok("hunter2") -} - -fn log_in(_username: String, _password: String) { - Ok("Welcome") -} |