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efc361b654
Added more text hard-wrap tests. RGB now has a constructor that accepts Color. Color now has `toRGB()`.
15 lines
695 B
Plaintext
15 lines
695 B
Plaintext
```go
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func fmt.Errorf(format string, a ...any) error
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```
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---
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Errorf formats according to a format specifier and returns the string as a value that satisfies error.
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If the format specifier includes a %w verb with an error operand, the returned error will implement an Unwrap method returning the operand. If there is more than one %w verb, the returned error will implement an Unwrap method returning a \[]error containing all the %w operands in the order they appear in the arguments. It is invalid to supply the %w verb with an operand that does not implement the error interface. The %w verb is otherwise a synonym for %v.
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---
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[`fmt.Errorf` on pkg.go.dev](https://pkg.go.dev/fmt#Errorf)
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