* entry objects that cannot be safely reused.
       */
      switch (size) {
        case 0:
          return of();
        case 1:
          // requireNonNull is safe because the first `size` elements have been filled in.
          Entry<K, V> onlyEntry = requireNonNull(entries[0]);
          return of(onlyEntry.getKey(), onlyEntry.getValue());
        default:
          break;
      }

	if result.ID != 0 {
		t.Errorf("Should not have ID because only selected name, %+v", result.ID)
	}

	if user.Name != result.Name {
		t.Errorf("Should have user Name when selected it")
	}

	var result2 User
	DB.Where("name = ?", user.Name).Select("name as name").Find(&result2)
	if result2.ID != 0 {
		t.Errorf("Should not have ID because only selected name, %+v", result2.ID)
	}

---
title: "Go, Backwards Compatibility, and GODEBUG"
layout: article
---

<!--
This document is kept in the Go repo, not x/website,
because it documents the full list of known GODEBUG settings,
which are tied to a specific release.
-->

## Introduction {#intro}

Go's emphasis on backwards compatibility is one of its key strengths.
There are, however, times when we cannot maintain complete compatibility.

  private static final Iterable<@Nullable Integer> iterableFourNulls =
      Arrays.asList((Integer) null, null, null, null);

  /*
   * Both of these fields *are* immutable/constant. They don't use the type ImmutableList because
   * they need to behave slightly differently.
   */
  @SuppressWarnings("ConstantCaseForConstants")
  private static final List<Integer> UNDERREPORTING_SIZE_LIST;

  @SuppressWarnings("ConstantCaseForConstants")

      builder.add(newString(surrogate, surrogate));
    }
    builder.add(newString(MIN_LOW_SURROGATE, MAX_HIGH_SURROGATE));
    ILL_FORMED_STRINGS = builder.build();
  }

  // We can't use Character.isSurrogate(c) because of GWT.

  public void testEncodedLength_validStrings() {
    assertEquals(0, Utf8.encodedLength(""));
    assertEquals(11, Utf8.encodedLength("Hello world"));
    assertEquals(8, Utf8.encodedLength("Résumé"));

     * <p>
     * This method will attempt
     * to resolve SIDs using a cache and cache the results of any SIDs that
     * required resolving with the authority. SID cache entries are currently not
     * expired because under normal circumstances SID information never changes.
     *
     * @param authorityServerName
     *            The hostname of the server that should be queried. For maximum efficiency this should be the hostname

* Plays nicely with your **<abbr title="Integrated Development Environment, similar to a code editor">IDE</abbr>/<abbr title="A program that checks for code errors">linter</abbr>/brain**:
    * Because pydantic data structures are just instances of classes you define; auto-completion, linting, mypy and your intuition should all work properly with your validated data.
* Validate **complex structures**:

    [Environment]::SetEnvironmentVariable('PATH', $env:PATH, 'Machine');

# Disable signature checking on pacman because we cannot initialize the keyring.
RUN Add-Content -Path C:\tools\msys64\etc\pacman.d\mirrorlist.mingw32 -Value 'SigLevel = Never'
RUN Add-Content -Path C:\tools\msys64\etc\pacman.d\mirrorlist.mingw64 -Value 'SigLevel = Never'

  static final HashFunction MURMUR3_32_FIXED =
      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ true);

  // We can include the non-BMP fix here because Hashing.goodFastHash stresses that the hash is a
  // temporary-use one. Therefore it shouldn't be persisted.
  static final HashFunction GOOD_FAST_HASH_32 =

        assertFalse(it.hasNext(), "Empty listing should produce no elements");
        it.close();
        // No close should be sent because directory was never successfully opened
        verify(tree, never()).send(argThat((Request<?> r) -> r instanceof Smb2CloseRequest));
    }

    @Test
    @DisplayName("remove() throws UnsupportedOperationException")