Implemented float literals for OwnedLiterals, not yet for serde_json.

js/test_cases/helpers_eq/main.dust

@@ -27,3 +27,7 @@ Do objects with different paths referencing the same variable match?{~n}
 {#int renamed=some_obj}
     {@eq key=some_obj value=renamed}some_obj equals renamed{:else}some_obj does not equal renamed{/eq}{~n}
 {/int}
+
+Floating point equality{~n}
+======================={~n}
+{@eq key=int value=7.0}int is equal to 7.0{:else}int is not equal to 7.0{/eq}

src/parser/parser.rs

@@ -119,6 +119,7 @@ pub struct Partial<'a> {
 pub enum OwnedLiteral {
     LString(String),
     LPositiveInteger(u64),
+    LFloat(f64),
 }
 
 #[derive(Debug, PartialEq)]

src/renderer/parameters_context.rs

@@ -137,6 +137,7 @@ impl Truthiness for OwnedLiteral {
         match self {
             OwnedLiteral::LString(text) => !text.is_empty(),
             OwnedLiteral::LPositiveInteger(_num) => true,
+            OwnedLiteral::LFloat(_num) => true,
         }
     }
 }
@@ -146,6 +147,7 @@ impl Renderable for OwnedLiteral {
         match self {
             OwnedLiteral::LString(text) => Ok(text.clone()),
             OwnedLiteral::LPositiveInteger(num) => Ok(num.to_string()),
+            OwnedLiteral::LFloat(num) => Ok(num.to_string()),
         }
     }
 }
@@ -180,10 +182,25 @@ impl CompareContextElement for OwnedLiteral {
                 (OwnedLiteral::LString(self_text), OwnedLiteral::LPositiveInteger(other_num)) => {
                     self_text == &other_num.to_string()
                 }
+                (OwnedLiteral::LFloat(self_num), OwnedLiteral::LString(other_text)) => {
+                    &self_num.to_string() == other_text
+                }
+                (OwnedLiteral::LString(self_text), OwnedLiteral::LFloat(other_num)) => {
+                    self_text == &other_num.to_string()
+                }
                 (
                     OwnedLiteral::LPositiveInteger(self_num),
                     OwnedLiteral::LPositiveInteger(other_num),
                 ) => self_num == other_num,
+                (OwnedLiteral::LFloat(self_num), OwnedLiteral::LFloat(other_num)) => {
+                    self_num == other_num
+                }
+                (OwnedLiteral::LFloat(self_num), OwnedLiteral::LPositiveInteger(other_num)) => {
+                    *self_num == (*other_num as f64)
+                }
+                (OwnedLiteral::LPositiveInteger(self_num), OwnedLiteral::LFloat(other_num)) => {
+                    (*self_num as f64) == *other_num
+                }
             },
         }
     }
@@ -212,10 +229,25 @@ impl CompareContextElement for OwnedLiteral {
                 (OwnedLiteral::LString(self_text), OwnedLiteral::LPositiveInteger(other_num)) => {
                     self_text.partial_cmp(&other_num.to_string())
                 }
+                (OwnedLiteral::LFloat(self_num), OwnedLiteral::LString(other_text)) => {
+                    self_num.to_string().partial_cmp(other_text)
+                }
+                (OwnedLiteral::LString(self_text), OwnedLiteral::LFloat(other_num)) => {
+                    self_text.partial_cmp(&other_num.to_string())
+                }
                 (
                     OwnedLiteral::LPositiveInteger(self_num),
                     OwnedLiteral::LPositiveInteger(other_num),
                 ) => self_num.partial_cmp(other_num),
+                (OwnedLiteral::LFloat(self_num), OwnedLiteral::LFloat(other_num)) => {
+                    self_num.partial_cmp(other_num)
+                }
+                (OwnedLiteral::LPositiveInteger(self_num), OwnedLiteral::LFloat(other_num)) => {
+                    (*self_num as f64).partial_cmp(other_num)
+                }
+                (OwnedLiteral::LFloat(self_num), OwnedLiteral::LPositiveInteger(other_num)) => {
+                    self_num.partial_cmp(&(*other_num as f64))
+                }
             },
         }
     }