language: add boolean and/or operators, change negation syntax (#7)

* language: add boolean and/or operators, change negation syntax

* examples: simplify row builder using arrays

ast/src/main/kotlin/gay/pizza/pork/ast/InfixOperator.kt

@@ -19,6 +19,8 @@ enum class InfixOperator(val token: String) {
   Greater(">"),
   GreaterEqual(">="),
   LesserEqual("<="),
+  BooleanAnd("and"),
+  BooleanOr("or"),
   BinaryAnd("&"),
   BinaryOr("|"),
   BinaryExclusiveOr("^")

ast/src/main/kotlin/gay/pizza/pork/ast/PrefixOperator.kt

@@ -7,7 +7,7 @@ import kotlinx.serialization.Serializable
 @Serializable
 @SerialName("prefixOperator")
 enum class PrefixOperator(val token: String) {
-  Negate("!"),
+  BooleanNot("not"),
   UnaryPlus("+"),
   UnaryMinus("-"),
   BinaryNot("~")