Added `puts`HEADmain

2 files changed, 20 insertions, 7 deletions

diff --git a/README.md b/README.md
index 4128a43..b90452d 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,9 @@ let result = if (x < y) {
 } else {
     subtract(x, y)
 }; // result = 15
+
+
+puts(result); // prints the value of result to the console
 ```
 
 ## Types
@@ -137,13 +140,14 @@ fn add(x, y) {
 
 Mana has a number of built-in functions that are available to the programmer. These functions are built into the language and can be used without having to define them. The following is a list of built-in functions that are available in Mana:
 
-| Function | Description                                   | Parameters            | Example                | Output         |
-| -------- | --------------------------------------------- | --------------------- | ---------------------- | -------------- |
-| `len`    | Returns the length of a string or an array    | `string`              | `len("Hello, World!")` | `13`           |
-| `push`   | Appends an element to the end of an array     | `array`, `expression` | `push([1, 2, 3], 4)`   | `[1, 2, 3, 4]` |
-| `first`  | Returns the first element of an array         | `array`               | `first([1, 2, 3])`     | `1`            |
-| `last`   | Returns the last element of an array          | `array`               | `last([1, 2, 3])`      | `3`            |
-| `rest`   | Returns all but the first element of an array | `array`               | `rest([1, 2, 3])`      | `[2, 3]`       |
+| Function | Description                                   | Parameters            | Example                 | Output          |
+| -------- | --------------------------------------------- | --------------------- | ----------------------- | --------------- |
+| `len`    | Returns the length of a string or an array    | `string`              | `len("Hello, World!")`  | `13`            |
+| `push`   | Appends an element to the end of an array     | `array`, `expression` | `push([1, 2, 3], 4)`    | `[1, 2, 3, 4]`  |
+| `first`  | Returns the first element of an array         | `array`               | `first([1, 2, 3])`      | `1`             |
+| `last`   | Returns the last element of an array          | `array`               | `last([1, 2, 3])`       | `3`             |
+| `rest`   | Returns all but the first element of an array | `array`               | `rest([1, 2, 3])`       | `[2, 3]`        |
+| `puts`   | Prints a value to the console                 | `expression`          | `puts("Hello, World!")` | `Hello, World!` |
 
 ## Strings
 
diff --git a/evaluator/builtins.go b/evaluator/builtins.go
index 1c7a312..a37a720 100644
--- a/evaluator/builtins.go
+++ b/evaluator/builtins.go
@@ -108,4 +108,13 @@ var builtins = map[string]*object.Builtin{
 			return &object.Array{Elements: newElements}
 		},
 	},
+	"puts": {
+		Fn: func(args ...object.Object) object.Object {
+			for _, arg := range args {
+				println(arg.Inspect())
+			}
+
+			return NULL
+		},
+	},
 }