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Diffstat (limited to 'lib/text-size/src/serde_impls.rs')
| -rw-r--r-- | lib/text-size/src/serde_impls.rs | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/text-size/src/serde_impls.rs b/lib/text-size/src/serde_impls.rs index 1963413fd8..617e99cc02 100644 --- a/lib/text-size/src/serde_impls.rs +++ b/lib/text-size/src/serde_impls.rs @@ -1,6 +1,6 @@ use { crate::{TextRange, TextSize}, - serde::{Deserialize, Deserializer, Serialize, Serializer}, + serde::{de::Error, Deserialize, Deserializer, Serialize, Serializer}, }; impl Serialize for TextSize { @@ -35,6 +35,13 @@ impl<'de> Deserialize<'de> for TextRange { where D: Deserializer<'de>, { - Deserialize::deserialize(deserializer).map(|(start, end)| TextRange(start, end)) + let (start, end) = Deserialize::deserialize(deserializer)?; + if !(start <= end) { + return Err(Error::custom(format!( + "invalid range: {:?}..{:?}", + start, end + ))); + } + Ok(TextRange(start, end)) } } |