icydb-model-macros 0.302.0

Procedural macros for IcyDB application models
Documentation 
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//! Module: validate::memory
//! Responsibility: derive-side validation helpers.
//! Does not own: runtime validation.
//! Boundary: parse-time checks.

/// Return whether a stable memory name segment is canonical.
#[must_use]
pub(crate) fn stable_key_segment_is_canonical(value: &str) -> bool {
    let mut bytes = value.bytes();
    bytes.next().is_some_and(|byte| byte.is_ascii_lowercase())
        && bytes.all(|byte| byte.is_ascii_lowercase() || byte.is_ascii_digit() || byte == b'_')
}

#[cfg(test)]
mod tests;