From b16b909074691c5d528774827b43c66cefc5f865 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Thu, 19 Jan 2023 14:40:59 -0330
Subject: use Volume in text_input widget

---
 src/volume.rs | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'src/volume.rs')

diff --git a/src/volume.rs b/src/volume.rs
index ea78938..087676c 100644
--- a/src/volume.rs
+++ b/src/volume.rs
@@ -1,12 +1,24 @@
 use std::ops::Mul;
 
-trait Volume {
+pub trait Volume {
     /// Returns the volume in SI units (cubic metres).
     fn si(self) -> CubicMetre;
+
+    fn set(&mut self, val: f64);
 }
 
-#[derive(Debug, PartialEq)]
-struct CubicMetre(f64);
+#[derive(Debug, Default, PartialEq)]
+pub struct CubicMetre(f64);
+
+impl Volume for CubicMetre {
+    fn si(self) -> CubicMetre {
+        self
+    }
+
+    fn set(&mut self, val: f64) {
+        self.0 = val;
+    }
+}
 
 #[derive(Debug, PartialEq)]
 struct Litre(f64);
@@ -15,6 +27,10 @@ impl Volume for Litre {
     fn si(self) -> CubicMetre {
         CubicMetre(self.0 * 10_f64.powf(-3.))
     }
+
+    fn set(&mut self, val: f64) {
+        self.0 = val
+    }
 }
 
 impl From<i32> for Litre {
-- 
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