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always quote empty string

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This commit is contained in:
Yuheng Chen 2016-11-10 15:31:07 +08:00
parent a2e3746ed7
commit 6a0e4ad656
1 changed files with 9 additions and 4 deletions
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13
parser/src/emitter.rs
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@ -259,10 +259,14 @@ fn need_quotes(string: &str) -> bool {
':' | '{' | '}' | '[' | ']' | ',' | '&' | '*' | '#' | '?' | '|' | '-' | '<' | '>' | '=' | '!' | '%' | '@' | '`' | '\\' | '\0' ... '\x06' | '\t' | '\n' | '\r' | '\x0e' ... '\x1a' | '\x1c' ... '\x1f' => true, ':' | '{' | '}' | '[' | ']' | ',' | '&' | '*' | '#' | '?' | '|' | '-' | '<' | '>' | '=' | '!' | '%' | '@' | '`' | '\\' | '\0' ... '\x06' | '\t' | '\n' | '\r' | '\x0e' ... '\x1a' | '\x1c' ... '\x1f' => true,
_ => false, _ => false,
} }
}) || })
string == "true" || string == "false" || string == "null" || string == "~" || || string == "true"
string.parse::<i64>().is_ok() || || string == "false"
string.parse::<f64>().is_ok() || string == "null"
|| string == "~"
|| string == ""
|| string.parse::<i64>().is_ok()
|| string.parse::<f64>().is_ok()
} }
#[cfg(test)] #[cfg(test)]
@ -346,6 +350,7 @@ a7: 你好
boolean: "true" boolean: "true"
boolean2: "false" boolean2: "false"
date: "2014-12-31" date: "2014-12-31"
empty_string: ""
exp: "12e7" exp: "12e7"
field: ":" field: ":"
field2: "{" field2: "{"