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use range::Range;
use {
MetaData,
};
pub fn read_data(
tokens: &mut Vec<Range<MetaData>>,
range_data: Range<MetaData>,
state: &TokenizerState
) -> TokenizerState {
if state.0 < tokens.len() {
tokens.truncate(state.0);
}
tokens.push(range_data);
TokenizerState(tokens.len())
}
#[derive(Copy, Clone, Debug, PartialOrd, Ord, PartialEq, Eq)]
pub struct TokenizerState(pub usize);
impl TokenizerState {
pub fn new() -> TokenizerState { TokenizerState(0) }
}