Work around infinite recursion with closure
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parent
9198fdd407
commit
92155a8f36
56
src/lib.rs
56
src/lib.rs
@ -101,12 +101,15 @@ mod tests {
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}
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fn json_array() -> impl JsonParser<'static, JsonValue> {
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let val = json_value().delimited(whitespace(), whitespace());
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move |input| {
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let val = json_value().delimited(whitespace(), whitespace());
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repeated(val)
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.separated_by(literal(","), false)
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.delimited(literal_char('['), literal_char(']'))
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.map(JsonValue::Array)
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repeated(val)
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.separated_by(literal(","), false)
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.delimited(literal_char('['), literal_char(']'))
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.map(JsonValue::Array)
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.parse(input)
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}
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}
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fn json_value() -> impl JsonParser<'static, JsonValue> {
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@ -147,20 +150,33 @@ mod tests {
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#[test]
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fn parse_json_array() {
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assert!(json_array().parse(r#"[ 4, 9, "ara",]"#).is_err());
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// assert_eq!(
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// json_array().parse(r#"[ 4, 9, "foo" ]"#).unwrap(),
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// (
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// JsonValue::Array(vec![
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// JsonValue::Num(4.),
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// JsonValue::Num(9.0),
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// JsonValue::Str("foo".to_string())
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// ]),
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// ""
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// )
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// );
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// assert_eq!(json_array().parse(r#"[8,null,[],5]"#).unwrap(), (JsonValue::Array(vec![
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// JsonValue::Num(8.), JsonValue::Null, JsonValue::Array(vec![]), JsonValue::Num(5.)
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// ]), ""));
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// assert_eq!(json_value().parse("true"), Ok((JsonValue::Bool(true), "")));
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assert_eq!(
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json_array().parse("[[],[]]").unwrap().0,
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JsonValue::Array(vec![JsonValue::Array(vec![]), JsonValue::Array(vec![])])
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);
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assert_eq!(
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json_array().parse(r#"[ 4, 9, "foo" ]"#).unwrap(),
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(
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JsonValue::Array(vec![
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JsonValue::Num(4.),
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JsonValue::Num(9.0),
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JsonValue::Str("foo".to_string())
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]),
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""
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)
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);
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assert_eq!(
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json_array().parse(r#"[8,null,[],5]"#).unwrap(),
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(
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JsonValue::Array(vec![
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JsonValue::Num(8.),
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JsonValue::Null,
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JsonValue::Array(vec![]),
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JsonValue::Num(5.)
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]),
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""
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)
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);
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assert_eq!(json_value().parse("true"), Ok((JsonValue::Bool(true), "")));
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}
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}
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