Add trailing commas to match arm blocks

rustfmt.toml

@@ -2,4 +2,5 @@ edition = "2018"
 reorder_imports=true
 reorder_modules=true
 format_strings=true
-merge_imports=true
+merge_imports=true
+match_block_trailing_comma=true

src/token/mod.rs

@@ -77,7 +77,7 @@ fn char_to_partial_token(c: char) -> PartialToken {
             } else {
                 PartialToken::Literal(c.to_string())
             }
-        }
+        },
     }
 }
 
@@ -183,7 +183,7 @@ fn resolve_literals(mut tokens: &[PartialToken]) -> Result<Vec<Token>, Error> {
                 PartialToken::Token(token) => {
                     cutoff = 1;
                     Some(token)
-                }
+                },
                 PartialToken::Literal(literal) => {
                     cutoff = 1;
                     if let Ok(number) = literal.parse::<IntType>() {
@@ -195,11 +195,11 @@ fn resolve_literals(mut tokens: &[PartialToken]) -> Result<Vec<Token>, Error> {
                     } else {
                         Some(Token::Identifier(literal.to_string()))
                     }
-                }
+                },
                 PartialToken::Whitespace => {
                     cutoff = 1;
                     None
-                }
+                },
                 PartialToken::Eq => match second {
                     Some(PartialToken::Eq) => Some(Token::Eq),
                     _ => return Err(Error::unmatched_partial_token(first, second)),
@@ -209,21 +209,21 @@ fn resolve_literals(mut tokens: &[PartialToken]) -> Result<Vec<Token>, Error> {
                     _ => {
                         cutoff = 1;
                         Some(Token::Not)
-                    }
+                    },
                 },
                 PartialToken::Gt => match second {
                     Some(PartialToken::Eq) => Some(Token::Geq),
                     _ => {
                         cutoff = 1;
                         Some(Token::Gt)
-                    }
+                    },
                 },
                 PartialToken::Lt => match second {
                     Some(PartialToken::Eq) => Some(Token::Leq),
                     _ => {
                         cutoff = 1;
                         Some(Token::Lt)
-                    }
+                    },
                 },
                 PartialToken::Ampersand => match second {
                     Some(PartialToken::Ampersand) => Some(Token::And),

src/tree/mod.rs

@@ -97,7 +97,7 @@ pub fn tokens_to_operator_tree(tokens: Vec<Token>) -> Result<Node, Error> {
                 } else {
                     Some(Node::new(Neg))
                 }
-            }
+            },
             Token::Star => Some(Node::new(Mul)),
             Token::Slash => Some(Node::new(Div)),
             Token::Percent => Some(Node::new(Mod)),
@@ -116,14 +116,14 @@ pub fn tokens_to_operator_tree(tokens: Vec<Token>) -> Result<Node, Error> {
             Token::LBrace => {
                 root.push(Node::root_node());
                 None
-            }
+            },
             Token::RBrace => {
                 if root.len() < 2 {
                     return Err(Error::UnmatchedRBrace);
                 } else {
                     root.pop()
                 }
-            }
+            },
 
             Token::Comma => Some(Node::new(Tuple)),
 
@@ -135,7 +135,7 @@ pub fn tokens_to_operator_tree(tokens: Vec<Token>) -> Result<Node, Error> {
                     }
                 }
                 result
-            }
+            },
             Token::Float(number) => Some(Node::new(Const::new(Value::Float(number)))),
             Token::Int(number) => Some(Node::new(Const::new(Value::Int(number)))),
             Token::Boolean(boolean) => Some(Node::new(Const::new(Value::Boolean(boolean)))),

src/value/display.rs

@@ -20,7 +20,7 @@ impl Display for Value {
                     value.fmt(f)?;
                 }
                 write!(f, ")")
-            }
+            },
         }
     }
 }