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Early panic on divide by zero

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notgull 2023-02-18 17:59:30 -08:00
parent cb4d544688
commit c4ee3ba64e
1 changed files with 2 additions and 0 deletions
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src/buffer.rs
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@ -306,6 +306,8 @@ pub struct Buffer<'a> {
impl<'a> Buffer<'a> { impl<'a> Buffer<'a> {
/// Create a new [`Buffer`] with the provided [`FontSystem`] and [`Metrics`] /// Create a new [`Buffer`] with the provided [`FontSystem`] and [`Metrics`]
pub fn new(font_system: &'a FontSystem, metrics: Metrics) -> Self { pub fn new(font_system: &'a FontSystem, metrics: Metrics) -> Self {
assert_ne!(metrics.line_height, 0, "line height cannot be 0");
let mut buffer = Self { let mut buffer = Self {
font_system, font_system,
lines: Vec::new(), lines: Vec::new(),