From 0f697349ccbb885045cf0bf4c908507e2a3b2309 Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Tue, 30 May 2023 13:11:03 +0100
Subject: [PATCH] Add isInteger and isString procs for testing against values

---
 preserves.nimble  |  2 +-
 src/preserves.nim | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/preserves.nimble b/preserves.nimble
index a58601a..054a17e 100644
--- a/preserves.nimble
+++ b/preserves.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version = "20230520"
+version = "20230530"
 author        = "Emery Hemingway"
 description   = "data model and serialization format"
 license       = "Unlicense"
diff --git a/src/preserves.nim b/src/preserves.nim
index 3c326fe..50ecae4 100644
--- a/src/preserves.nim
+++ b/src/preserves.nim
@@ -396,11 +396,19 @@ func isDouble*(pr: Preserve): bool {.inline.} = pr.kind == pkDouble
   ## Check if ``pr`` is a Preserve double.
 
 func isInteger*(pr: Preserve): bool {.inline.} = pr.kind == pkSignedInteger
-  ## Check if ``pr`` is a Preserve double.
+  ## Check if ``pr`` is a Preserve integer.
+
+func isInteger*(pr: Preserve; i: SomeInteger): bool {.inline.} =
+  ## Check if ``pr`` is a Preserve integer equivalent to `i`.
+  pr.kind == pkSignedInteger and pr.int == BiggestInt(i)
 
 func isString*(pr: Preserve): bool {.inline.} = pr.kind == pkString
   ## Check if ``pr`` is a Preserve text string.
 
+func isString*(pr: Preserve; s: string): bool {.inline.} =
+  ## Check if ``pr`` is a Preserve text string equivalent to `s`.
+  pr.kind == pkString and pr.string == s
+
 func isByteString*(pr: Preserve): bool {.inline.} = pr.kind == pkByteString
   ## Check if ``pr`` is a Preserves byte string.