Fix variable declaration syntax

Previous syntax of `boi: varname boi` was objectively wrong.

Syntax has been changed to `ONE VARNAME BOI`

Author: KernelDeimos

demo.boi

@@ -42,3 +42,10 @@ bloop < boi:tmp [int 10] boi
 	boi: tmp [+ boi:tmp [int 1]] boi
 BOI
 
+ONE CHANGEY BOI
+boi? cat true boi
+	ONE CHANGEY BOI
+	boi, "value is " boi:CHANGEY boi
+BOI
+boi, "value is " boi:CHANGEY boi
+

functions.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"crypto/rand"
 	"errors"
 	"fmt"
 )
@@ -75,6 +76,29 @@ func BoiFuncSet(context *BoiContext, args []BoiVar) (BoiVar, error) {
 	return args[1], nil
 }
 
+// BoiFuncDeclare is similar to BoiFuncSet, but does not require a value
+// parameter. It instead initializes the variable to a completely random
+// value to **ensure** the application programmer can't make assumptions
+// about the value. Adding a value parameter anyway is undefined behaviour.
+func BoiFuncDeclare(context *BoiContext, args []BoiVar) (BoiVar, error) {
+	if len(args) < 1 {
+		return BoiVar{}, errors.New("one requires 1 parameters")
+	}
+	key := string(args[0].data)
+	//context.parentCtx.variables[key] = args[1]
+
+	value := make([]byte, 4)
+	_, err := rand.Read(value)
+	if err != nil {
+		return BoiVar{}, err
+	}
+
+	// We can't use .Set() here, because that tries to find the variable
+	// in parent scopes.
+	context.parentCtx.variables[key] = BoiVar{value}
+	return BoiVar{value}, nil
+}
+
 func BoiFuncCat(context *BoiContext, args []BoiVar) (BoiVar, error) {
 	output := []byte{}
 	for _, arg := range args {

main.go

@@ -200,6 +200,9 @@ func NewBoiInterpreter(input []byte) *BoiInterpreter {
 	boi.context.functions["dec"] = BoiFuncDec{boi}
 	boi.RegisterGoFunction("<", BoiFuncLess)
 
+	// Grey area (memes, also practical)
+	boi.RegisterGoFunction("declare", BoiFuncDeclare)
+
 	// Memes
 	boi.RegisterGoFunction("IsEven", BoiFuncIsEven)
 
@@ -309,6 +312,18 @@ func (boi *BoiInterpreter) getStatement() (*BoiStatement, error) {
 
 		return NewCallStatement("set", tokens), nil
 
+	case "one":
+		fallthrough
+	case "ONE":
+		boi.pos += 4
+		boi.noeof(boi.whitespace())
+		tokens, err := boi.GetTokens()
+		if err != nil {
+			return nil, err
+		}
+
+		return NewCallStatement("declare", tokens), nil
+
 	case "boi?":
 		boi.pos += 4
 		boi.noeof(boi.whitespace())
@@ -451,7 +466,8 @@ func (boi *BoiInterpreter) eatToken() (Token, error) {
 	}
 
 	keyword := string(boi.rSyntaxToken.Find(boi.input[boi.pos:]))
-	isBoi := keyword == "boi" || keyword == "]" || keyword == ";"
+	isBoi := keyword == "boi" || keyword == "]" || keyword == ";" ||
+		keyword == "BOI"
 	if isBoi {
 		boi.pos += IntyBoi(len(keyword))
 		t := Token{