mobile typing isn't scored — practice only
func readConfig(path string) (*Config, error) {
Go · general · type the snippet below to practice
def fib(n):
a, b = 0, 1
for _ in range(n):
a, b = b, a + b
return a
about this snippet
This is the errorwrap snippet in Go — 12 lines of real Go code that exercises common patterns you'll see in production. DeveloperType scores you on net WPM and accuracy and only counts runs above 95% accuracy on the leaderboard, so practice rewards precision, not speed alone.
view source (12 lines)
func readConfig(path string) (*Config, error) {
data, err := os.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("read %s: %w", path, err)
}
var cfg Config
if err := json.Unmarshal(data, &cfg); err != nil {
return nil, fmt.Errorf("parse %s: %w", path, err)
}
return &cfg, nil
}
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