feat: use Present/Absent instead of New

2 files changed, 14 insertions, 12 deletions

diff --git a/hamlet.go b/hamlet.go
index 3315433..8cdc578 100644
--- a/hamlet.go
+++ b/hamlet.go
@@ -3,38 +3,40 @@ package hamlet
 import "reflect"
 
 type Assertion struct {
-	value bool
+	truth bool
 }
 
 func (a Assertion) Assert() bool {
-	return a.value
+	return a.truth
 }
 
-// New returns a new Assertion. An assertion is true iff its
-// underlying value is non-zero in the Go sense.
-func New(v any) Assertion {
+func Present(v any) Assertion {
 	return Assertion{!reflect.ValueOf(v).IsZero()}
 }
 
+func Absent(v any) Assertion {
+	return Assertion{reflect.ValueOf(v).IsZero()}
+}
+
 // Not computes ~a, given assertion a.
 func Not(a Assertion) Assertion {
-	negation := !a.value
+	negation := !a.truth
 
 	return Assertion{negation}
 }
 
 // Or computes a v b, given assertions a and b.
 func Or(a Assertion, b Assertion) Assertion {
-	av := a.value
-	bv := b.value
+	av := a.truth
+	bv := b.truth
 
 	return Assertion{av || bv}
 }
 
 // And computes a ^ b, given assertions a and b.
 func And(a Assertion, b Assertion) Assertion {
-	av := a.value
-	bv := b.value
+	av := a.truth
+	bv := b.truth
 
 	return Assertion{av && bv}
 }
diff --git a/hamlet_test.go b/hamlet_test.go
index ca69425..bbd50fe 100644
--- a/hamlet_test.go
+++ b/hamlet_test.go
@@ -5,8 +5,8 @@ import (
 )
 
 func TestAssertion(t *testing.T) {
-	p := New("")
-	q := New(4)
+	p := Present("")
+	q := Present(4)
 
 	theorem1 := If(p, q)
 	if !theorem1.Assert() {