1 files changed, 164 insertions, 0 deletions
diff --git a/vendor/winnow/src/combinator/sequence.rs b/vendor/winnow/src/combinator/sequence.rs
new file mode 100644
index 000000000..89c29a548
--- /dev/null
+++ b/vendor/winnow/src/combinator/sequence.rs
@@ -0,0 +1,164 @@
+use crate::error::ParseError;
+use crate::stream::Stream;
+use crate::trace::trace;
+use crate::*;
+
+/// Sequence two parsers, only returning the output from the second.
+///
+/// # Arguments
+/// * `first` The opening parser.
+/// * `second` The second parser to get object.
+///
+/// # Example
+///
+/// ```rust
+/// # use winnow::{error::ErrMode, error::ErrorKind, error::Error, error::Needed};
+/// # use winnow::prelude::*;
+/// # use winnow::error::Needed::Size;
+/// use winnow::combinator::preceded;
+/// use winnow::token::tag;
+///
+/// let mut parser = preceded("abc", "efg");
+///
+/// assert_eq!(parser.parse_next("abcefg"), Ok(("", "efg")));
+/// assert_eq!(parser.parse_next("abcefghij"), Ok(("hij", "efg")));
+/// assert_eq!(parser.parse_next(""), Err(ErrMode::Backtrack(Error::new("", ErrorKind::Tag))));
+/// assert_eq!(parser.parse_next("123"), Err(ErrMode::Backtrack(Error::new("123", ErrorKind::Tag))));
+/// ```
+#[doc(alias = "ignore_then")]
+pub fn preceded<I, O1, O2, E: ParseError<I>, F, G>(
+    mut first: F,
+    mut second: G,
+) -> impl Parser<I, O2, E>
+where
+    I: Stream,
+    F: Parser<I, O1, E>,
+    G: Parser<I, O2, E>,
+{
+    trace("preceded", move |input: I| {
+        let (input, _) = first.parse_next(input)?;
+        second.parse_next(input)
+    })
+}
+
+/// Sequence two parsers, only returning the output of the first.
+///
+/// # Arguments
+/// * `first` The first parser to apply.
+/// * `second` The second parser to match an object.
+///
+/// # Example
+///
+/// ```rust
+/// # use winnow::{error::ErrMode, error::ErrorKind, error::Error, error::Needed};
+/// # use winnow::prelude::*;
+/// # use winnow::error::Needed::Size;
+/// use winnow::combinator::terminated;
+/// use winnow::token::tag;
+///
+/// let mut parser = terminated("abc", "efg");
+///
+/// assert_eq!(parser.parse_next("abcefg"), Ok(("", "abc")));
+/// assert_eq!(parser.parse_next("abcefghij"), Ok(("hij", "abc")));
+/// assert_eq!(parser.parse_next(""), Err(ErrMode::Backtrack(Error::new("", ErrorKind::Tag))));
+/// assert_eq!(parser.parse_next("123"), Err(ErrMode::Backtrack(Error::new("123", ErrorKind::Tag))));
+/// ```
+#[doc(alias = "then_ignore")]
+pub fn terminated<I, O1, O2, E: ParseError<I>, F, G>(
+    mut first: F,
+    mut second: G,
+) -> impl Parser<I, O1, E>
+where
+    I: Stream,
+    F: Parser<I, O1, E>,
+    G: Parser<I, O2, E>,
+{
+    trace("terminated", move |input: I| {
+        let (input, o1) = first.parse_next(input)?;
+        second.parse_next(input).map(|(i, _)| (i, o1))
+    })
+}
+
+/// Sequence three parsers, only returning the values of the first and third.
+///
+/// # Arguments
+/// * `first` The first parser to apply.
+/// * `sep` The separator parser to apply.
+/// * `second` The second parser to apply.
+///
+/// # Example
+///
+/// ```rust
+/// # use winnow::{error::ErrMode, error::ErrorKind, error::Error, error::Needed};
+/// # use winnow::error::Needed::Size;
+/// # use winnow::prelude::*;
+/// use winnow::combinator::separated_pair;
+/// use winnow::token::tag;
+///
+/// let mut parser = separated_pair("abc", "|", "efg");
+///
+/// assert_eq!(parser.parse_next("abc|efg"), Ok(("", ("abc", "efg"))));
+/// assert_eq!(parser.parse_next("abc|efghij"), Ok(("hij", ("abc", "efg"))));
+/// assert_eq!(parser.parse_next(""), Err(ErrMode::Backtrack(Error::new("", ErrorKind::Tag))));
+/// assert_eq!(parser.parse_next("123"), Err(ErrMode::Backtrack(Error::new("123", ErrorKind::Tag))));
+/// ```
+pub fn separated_pair<I, O1, O2, O3, E: ParseError<I>, F, G, H>(
+    mut first: F,
+    mut sep: G,
+    mut second: H,
+) -> impl Parser<I, (O1, O3), E>
+where
+    I: Stream,
+    F: Parser<I, O1, E>,
+    G: Parser<I, O2, E>,
+    H: Parser<I, O3, E>,
+{
+    trace("separated_pair", move |input: I| {
+        let (input, o1) = first.parse_next(input)?;
+        let (input, _) = sep.parse_next(input)?;
+        second.parse_next(input).map(|(i, o2)| (i, (o1, o2)))
+    })
+}
+
+/// Sequence three parsers, only returning the output of the second.
+///
+/// # Arguments
+/// * `first` The first parser to apply and discard.
+/// * `second` The second parser to apply.
+/// * `third` The third parser to apply and discard.
+///
+/// # Example
+///
+/// ```rust
+/// # use winnow::{error::ErrMode, error::ErrorKind, error::Error, error::Needed};
+/// # use winnow::error::Needed::Size;
+/// # use winnow::prelude::*;
+/// use winnow::combinator::delimited;
+/// use winnow::token::tag;
+///
+/// let mut parser = delimited("(", "abc", ")");
+///
+/// assert_eq!(parser.parse_next("(abc)"), Ok(("", "abc")));
+/// assert_eq!(parser.parse_next("(abc)def"), Ok(("def", "abc")));
+/// assert_eq!(parser.parse_next(""), Err(ErrMode::Backtrack(Error::new("", ErrorKind::Tag))));
+/// assert_eq!(parser.parse_next("123"), Err(ErrMode::Backtrack(Error::new("123", ErrorKind::Tag))));
+/// ```
+#[doc(alias = "between")]
+#[doc(alias = "padded")]
+pub fn delimited<I, O1, O2, O3, E: ParseError<I>, F, G, H>(
+    mut first: F,
+    mut second: G,
+    mut third: H,
+) -> impl Parser<I, O2, E>
+where
+    I: Stream,
+    F: Parser<I, O1, E>,
+    G: Parser<I, O2, E>,
+    H: Parser<I, O3, E>,
+{
+    trace("delimited", move |input: I| {
+        let (input, _) = first.parse_next(input)?;
+        let (input, o2) = second.parse_next(input)?;
+        third.parse_next(input).map(|(i, _)| (i, o2))
+    })
+}