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authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2018-06-07 13:04:43 -0300
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2018-06-07 13:04:43 -0300
commitf8f9166be2c5d02edc17b3fb1d4ea6baa9f926da (patch)
tree7f6897a4bf112e57bbfb8b435b0a72dfede09c94 /base/src/main/java/bjc/utils/funcdata/FunctionalList.java
parentca2a5c012267c500d9f0fd883c98904d125a64f0 (diff)
Update
Diffstat (limited to 'base/src/main/java/bjc/utils/funcdata/FunctionalList.java')
-rw-r--r--base/src/main/java/bjc/utils/funcdata/FunctionalList.java27
1 files changed, 27 insertions, 0 deletions
diff --git a/base/src/main/java/bjc/utils/funcdata/FunctionalList.java b/base/src/main/java/bjc/utils/funcdata/FunctionalList.java
index c730424..6953bd0 100644
--- a/base/src/main/java/bjc/utils/funcdata/FunctionalList.java
+++ b/base/src/main/java/bjc/utils/funcdata/FunctionalList.java
@@ -169,6 +169,33 @@ public class FunctionalList<E> implements Cloneable, IList<E> {
}
@Override
+ public E last() {
+ if(wrapped.size() < 1) throw new NoSuchElementException("Attempted to get last element of empty list");
+
+ return wrapped.get(wrapped.size() - 1);
+ }
+
+ @Override
+ public E popFirst() {
+ if(wrapped.size() < 1) throw new NoSuchElementException("Attempted to pop first element of empty list");
+
+ E head = first();
+ wrapped.remove(0);
+
+ return head;
+ }
+
+ @Override
+ public E popLast() {
+ if(wrapped.size() < 1) throw new NoSuchElementException("Attempted to pop last element of empty list");
+
+ E tail = last();
+ wrapped.remove(wrapped.size() - 1);
+
+ return tail;
+ }
+
+ @Override
public <T> IList<T> flatMap(final Function<E, IList<T>> expander) {
if(expander == null) throw new NullPointerException("Expander must not be null");