Add deconstruct operator

Cargo.toml

@@ -22,5 +22,6 @@ toml = "0.4.2"
 # TODO: Update this to v0.5.0 when it finally comes out -- for now, use latest git master
 # version = "0.4.0"
 git = "https://github.com/rust-cli/confy/"
+# TOML will not serialize because of ordering issues
 features = ["yaml_conf"]
 default-features = false

src/calc.rs

@@ -279,6 +279,7 @@ impl Calculator {
             // Temporary
             'V' => self.op(CalculatorOperation::BuildVector),
             'M' => self.op(CalculatorOperation::BuildMatrix),
+            '_' => self.op(CalculatorOperation::Deconstruct),
             // Special
             '\\' => self.op(CalculatorOperation::Drop),
             ' ' => self.op(CalculatorOperation::Dup),
@@ -572,6 +573,27 @@ impl Calculator {
             push: OpArgs::Unary(new_entry),
         })
     }
+    pub fn deconstruct(&mut self) -> CalculatorResult<CalculatorStateChange> {
+        let entry = self.peek(0)?;
+        let entries: Vec<Entry> = match &entry {
+            Entry::Matrix(matrix) => Ok(matrix
+                .vectors
+                .iter()
+                .map(|v| Entry::Vector(v.clone()))
+                .collect()),
+            Entry::Vector(vector) => Ok(vector
+                .values
+                .iter()
+                .map(|n| Entry::Number(n.clone()))
+                .collect()),
+            Entry::Number(_number) => Err(CalculatorError::TypeMismatch),
+        }?;
+
+        Ok(CalculatorStateChange {
+            pop: OpArgs::Unary(entry),
+            push: OpArgs::Variable(entries),
+        })
+    }
 
     /// Performs a calculator operation such as undo, redo, operator, or dup
     pub fn op(&mut self, op: CalculatorOperation) -> CalculatorResult<()> {
@@ -647,6 +669,7 @@ impl Calculator {
             }
             CalculatorOperation::BuildVector => self.build_vector(),
             CalculatorOperation::BuildMatrix => self.build_matrix(),
+            CalculatorOperation::Deconstruct => self.deconstruct(),
             CalculatorOperation::Dup => self.unary_op(|a| Ok(OpArgs::Binary([a.clone(), a]))),
             CalculatorOperation::Drop => self.unary_op(|_| Ok(OpArgs::None)),
             CalculatorOperation::Swap => self.binary_op(|[a, b]| Ok(OpArgs::Binary([b, a]))),

src/calc/entries.rs

@@ -324,14 +324,14 @@ impl CalculatorEntry for Matrix {
     fn add(&self, arg: &Entry) -> CalculatorResult<Entry> {
         match arg {
             Entry::Matrix(m2) => self.iterated_binary_mat(m2, Vector::add),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::add),
         }
     }
     fn sub(&self, arg: &Entry) -> CalculatorResult<Entry> {
         match arg {
             Entry::Matrix(m2) => self.iterated_binary_mat(m2, Vector::sub),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::sub),
         }
     }
@@ -339,35 +339,35 @@ impl CalculatorEntry for Matrix {
         // TODO: Correct implementation
         match arg {
             Entry::Matrix(m2) => self.iterated_binary_mat(m2, Vector::mul),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::mul),
         }
     }
     fn div(&self, arg: &Entry) -> CalculatorResult<Entry> {
         match arg {
             Entry::Matrix(m2) => self.iterated_binary_mat(m2, Vector::div),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::div),
         }
     }
     fn int_divide(&self, arg: &Entry) -> CalculatorResult<Entry> {
         match arg {
             Entry::Matrix(m2) => self.iterated_binary_mat(m2, Vector::int_divide),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::int_divide),
         }
     }
     fn modulo(&self, arg: &Entry) -> CalculatorResult<Entry> {
         match arg {
             Entry::Matrix(m2) => self.iterated_binary_mat(m2, Vector::modulo),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::modulo),
         }
     }
     fn pow(&self, arg: &Entry) -> CalculatorResult<Entry> {
         match arg {
-            Entry::Matrix(m2) => Err(CalculatorError::TypeMismatch),
-            Entry::Vector(vector) => Err(CalculatorError::TypeMismatch),
+            Entry::Matrix(_m2) => Err(CalculatorError::TypeMismatch),
+            Entry::Vector(_vector) => Err(CalculatorError::TypeMismatch),
             Entry::Number(number) => self.iterated_binary_num(number, Vector::pow),
         }
     }

src/calc/operations.rs

@@ -29,6 +29,7 @@ pub enum CalculatorOperation {
     ArithmeticOperation(ArithmeticOperation),
     BuildVector,
     BuildMatrix,
+    Deconstruct,
     Undo,
     Redo,
     Drop,