23 lines
695 B
Rust
23 lines
695 B
Rust
pub fn word_pattern(pattern: String, string: String) -> bool {
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let mut key_map = std::collections::HashMap::new();
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let mut value_map = std::collections::HashMap::new();
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let mut pattern_iter = pattern.chars();
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let mut string_iter = string.split_whitespace();
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if pattern.len() != string_iter.clone().count() {
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return false;
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}
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for (key, value) in pattern_iter.by_ref().zip(string_iter.by_ref()) {
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let expected_value = *key_map.entry(key).or_insert(value);
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let expected_key = *value_map.entry(value).or_insert(key);
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if expected_key != key || expected_value != value {
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return false;
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}
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}
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pattern_iter.next().is_none() && string_iter.next().is_none()
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}
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