ph-haptics 0.1.0

Host-compiled haptics DSL and no-std, no-alloc scheduling runtime modeling ERM and LRA motors using ph-curves
Documentation 
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pub(crate) fn validate_name(name: &str, line: u32, kind: &str) -> Result<(), String> {
    let mut chars = name.chars();
    let Some(first) = chars.next() else {
        return Err(if line == 0 {
            format!("{kind} name is empty")
        } else {
            format!("line {line}: {kind} name is empty")
        });
    };

    if !(first.is_ascii_alphabetic() || first == '_') {
        return Err(if line == 0 {
            format!("invalid {kind} name `{name}`")
        } else {
            format!("line {line}: invalid {kind} name `{name}`")
        });
    }

    if chars.all(|ch| ch.is_ascii_alphanumeric() || ch == '_') {
        Ok(())
    } else if line == 0 {
        Err(format!("invalid {kind} name `{name}`"))
    } else {
        Err(format!("line {line}: invalid {kind} name `{name}`"))
    }
}