caldata 0.16.2

Ical/Vcard parser for Rust
Documentation 
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/*
 * SPDX-FileCopyrightText: 2021 Fredrik Meringdal, Ralph Bisschops <https://github.com/fmeringdal/rust-rrule>
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 * This code is taken from github.com/fmeringdal/rust-rrule with slight modifications.
 */
use crate::rrule::RRuleError;

pub(crate) fn checked_mul_u32(v1: u32, v2: u32, hint: Option<&str>) -> Result<u32, RRuleError> {
    v1.checked_mul(v2).ok_or_else(|| match hint {
        Some(hint) => RRuleError::new_iter_err(format!(
            "Could not multiply number, would overflow (`{} * {}`), {}.",
            v1, v2, hint
        )),
        None => RRuleError::new_iter_err(format!(
            "Could not multiply number, would overflow (`{} * {}`).",
            v1, v2,
        )),
    })
}

pub(crate) fn checked_add_u32(v1: u32, v2: u32, hint: Option<&str>) -> Result<u32, RRuleError> {
    v1.checked_add(v2).ok_or_else(|| match hint {
        Some(hint) => RRuleError::new_iter_err(format!(
            "Could not add numbers, would overflow (`{} + {}`), {}.",
            v1, v2, hint
        )),
        None => RRuleError::new_iter_err(format!(
            "Could not add numbers, would overflow (`{} + {}`).",
            v1, v2,
        )),
    })
}