Method require_non_empty

src/buffer/inner.rs:150–158

Validate buffer is non-empty, returning error if empty.

(&self, op: &str)

    /// Validate buffer is non-empty, returning error if empty.
    pub fn require_non_empty(&self, op: &str) -> ParsecResult<()> {
        if self.is_empty() {
            Err(ParsecError::EmptyCollection(format!(
                "cannot {op} empty buffer"
            )))
        } else {
            Ok(())
        }
    }
}

#[cfg(test)]